Welding tool for longitudinal axial flow roller of harvester

Abstract

The utility model relates to a welding tool for a longitudinal axial flow roller of a harvester, which comprises a rotary supporting device, a supporting device, a left sliding table device, a right sliding table device, a grass discharging blade positioning device and a blade end positioning device, the supporting device and the blade end positioning device are located at the other end of the bottom plate, the rotary supporting device and the supporting device are used for supporting the two ends of the longitudinal axial flow roller, the rotary supporting device can drive the longitudinal axial flow roller to rotate, the grass discharging blade positioning device is used for clamping grass discharging blades, and the blade end positioning device is used for clamping and positioning feeding blades. The left sliding table device is arranged on one side of the bottom plate, a left positioning device is arranged on the left sliding table device, the right sliding table device is arranged on the other side of the bottom plate, a right positioning device is arranged on the right sliding table device, and the left positioning device and the right positioning device are used for clamping a plurality of rasp bar seats. According to the welding tool, automatic welding is achieved, the welding precision and the production efficiency are improved, and the labor cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a welding tool for a longitudinal axial flow drum of a harvester. Background Art

[0002] In large wheat harvesters, the longitudinal axial flow drum is the main component for wheat threshing and is an important component of wheat harvesters. Fig.16 As shown, it includes a cylindrical barrel 201 and a cone-shaped cone, the barrel 201 and the cone are connected as one, and multiple parts to be welded need to be welded on the barrel 201 and the cone. Specifically, multiple rows of threaded rod seats 205 are spirally welded on the barrel, one end of the barrel 201 is circumferentially welded with grass-removing blades 206, and reinforcing ribs 207 are welded on the grass-removing blades 206. The other end is circumferentially welded with small blades a204 and small blades b208. Feeding blades 202 are welded on the cone, and reinforcing ribs 1 are welded on the feeding blades 202. The feeding blades 202 are spirally extended to the barrel 201. During welding, the barrel 201, the threaded rod seats 205, the grass-removing blades 206, the small blades and the feeding blades 202 need to be positioned, and then welded. The existing welding tool is a simple tool, which cannot achieve accurate positioning of each part to be welded, affecting the overall welding quality, and requires manual handheld welding machine to operate during welding, which is time-consuming and laborious. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a welding tool for a longitudinal axial flow drum of a harvester.

[0004] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: a welding tool for a harvester longitudinal axial flow roller, comprising a base plate, a rotating support device, a supporting device, a left slide device, a right slide device, a grass discharge blade positioning device and a blade end positioning device are provided on the base plate, the rotating support device and the grass discharge blade positioning device are located at one end of the base plate, the supporting device and the blade end positioning device are located at the other end of the base plate, the rotating support device and the supporting device are used to support the two ends of the longitudinal axial flow roller, and the rotating support device can drive the longitudinal axial flow roller to rotate, the grass discharge blade positioning device is used to clamp the grass discharge blades of the longitudinal axial flow roller, and the blade end positioning device clamps the positioning feeding blades of the longitudinal axial flow roller, the left slide device is arranged on one side of the base plate, the left slide device is provided with a left positioning device, the right slide device is arranged on the other side of the base plate, the right slide device is provided with a right positioning device, and the left positioning device and the right positioning device are used to clamp multiple grain rod seats of the longitudinal axial flow roller.

[0005] On the basis of the above technical solution, the present invention can also make the following improvements to the above technical solution:

[0006] Preferably, the rotating support device includes a support seat, a rotatable support shaft is installed on the support seat, one end of the support shaft is provided with a clamping nut, a pressure plate, a bolt and a shaft seat plate, and the other end is connected with a dividing plate and a handwheel, the clamping nut, the pressure plate, the bolt and the shaft seat plate are used to clamp the shaft end of the longitudinal axial flow roller, a dividing pin is provided on one side of the dividing plate, and the dividing plate is provided with a plurality of dividing grooves along the circumferential direction, one end of the dividing pin is inserted in the dividing groove, and the other end is connected with an adjusting mechanism.

[0007] Preferably, the adjustment mechanism includes an adjustment plate and an elastic member, the indexing pin is hinged to the adjustment plate, one end of the adjustment plate is rotatably connected to the support seat one through a pin shaft, and the other end is provided with a pedal, the lower end of the elastic member is connected to the adjustment plate, and the upper end is connected to a fixing bolt, and the fixing bolt is installed on the support seat one.

[0008] Preferably, the supporting device includes a supporting seat 2 and a seat plate 2 installed on the supporting seat 2, a pressure plate 2 is hinged on the seat plate 2, and a clamping nut 2 and a bolt 2 are provided on the pressure plate 2, and the pressure plate 2, the clamping nut 2 and the bolt 2 are used together to clamp the conical end of the cylinder body of the longitudinal axial flow roller.

[0009] Preferably, the left slide device includes a driving cylinder and a slide, the lower end of the slide is provided with an interchangeable slider, the base plate is provided with a corresponding interchangeable slide rail, the interchangeable slider is slidably installed on the interchangeable slide rail, the output end of the driving cylinder is connected to the slide and drives the slide to reciprocate along the interchangeable slide rail, and a plurality of support frames are provided on the slide, and the support frames are used to support the left positioning device.

[0010] Preferably, an ultra-thin cylinder is provided on the slide, a limit pin is provided at the output end of the ultra-thin cylinder, a limit device is installed on the bottom plate, a limit hole is provided on the limit device, and the limit pin is used to be inserted into the limit hole.

[0011] Preferably, the left positioning device includes two parallelly arranged support seats three and four, a connecting block is provided between the support seats three and four, a positioning pin is provided at the end of the support seat three, and a corresponding positioning hole is provided on the body of the longitudinal axial flow drum, and multiple groups of positioning clamping components one are provided on the support seat three, the connecting block and the support seat four, and the positioning clamping component one is used to clamp multiple of the grain rod seats.

[0012] Preferably, the right positioning device includes a support seat five, on which a lower blade positioning piece, an upper blade positioning piece and a small blade positioning piece are provided. The lower blade positioning piece and the upper blade positioning piece are used to clamp the feeding blade, and the small blade positioning piece is used to clamp the small blade b.

[0013] Preferably, the grass-removing blade positioning device comprises a support seat six, on which a positioning clamping component two is provided, and the positioning clamping component two is used for clamping the grass-removing blades.

[0014] Preferably, the blade end positioning device comprises a support seat seven, on which a positioning clamping component three is provided, and the positioning clamping component three is used to clamp the small blade a.

[0015] The beneficial effects of the utility model are as follows: by setting up multiple positioning devices, all parts to be welded are accurately positioned and clamped, thereby ensuring welding quality; by installing the positioning device on a slide device, the positioning device is driven to move, thereby facilitating positioning, clamping, and taking and placing the workpieces to be welded; pneumatic positioning is adopted to clamp the parts to be welded, thereby ensuring positioning accuracy and convenient operation; by coordinating the indexing plate with the indexing pin, accurate positioning and transformation of the parts to be welded at multiple indexing positions are achieved, thereby achieving circumferential welding of the parts to be welded on the barrel, with simple operation and accurate positioning; automated welding is achieved through the tooling, thereby greatly improving production efficiency and saving labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the welding tool of the utility model;

[0017] Figure 2 It is a top view schematic diagram of the welding tool of the utility model;

[0018] Figure 3 It is a schematic diagram of the rotary support device of the utility model;

[0019] Figure 4 It is a schematic diagram of the support device of the utility model;

[0020] Figure 5 It is a three-dimensional schematic diagram of the left sliding platform device of the utility model;

[0021] Figure 6 It is a side view of the slide device of the utility model;

[0022] Figure 7 It is a top view of the slide device of the utility model;

[0023] Figure 8 It is a schematic diagram of the left positioning device of the utility model;

[0024] Fig. 9It is a side view schematic diagram of the left positioning device of the utility model;

[0025] Fig.10 This is a schematic diagram of the right positioning device of the utility model

[0026] Fig.11 It is a side view schematic diagram of the right positioning device of the utility model;

[0027] Fig.12 It is a schematic diagram of the right sliding platform device of the utility model;

[0028] Fig.13 It is a schematic diagram of the grass removal blade positioning device of the utility model;

[0029] Fig.14 It is a schematic diagram of the blade end positioning device of the utility model;

[0030] Fig.15 It is a schematic diagram of the utility model when in use;

[0031] Fig.16 It is a schematic diagram of the structure of the longitudinal axial flow drum.

[0032] The reference numerals are recorded as follows: 1, bottom plate; 2, rotating support device; 14, clamping nut 1; 15, pressure plate 1; 16, bolt 1; 17, shaft seat plate; 19, connecting flange; 20, supporting shaft; 22, indexing plate; 23, hand wheel; 27, indexing pin; 28, guide seat plate; 30, limit plate 1; 31, fixing bolt; 32, seat plate 1; 33, pull rod; 34, connecting plate; 36, adjusting plate; 37, elastic member; 38, pedal; 39, support seat 1; 40, diagonal support;

[0033] 3. Support device; 41. Support seat 2; 43. Seat plate 2; 45. Pin shaft 1; 46. Support member; 47. Pressing plate 2; 48. Pressing nut 2; 49. Bolt 2; 50. Accommodating groove; 51. Fixing block;

[0034] 4. Left slide device; 54. Driving cylinder 1; 56. Limit block 1; 59. Interchangeable slide rail 1; 60. Interchangeable slider; 61. Slide; 63. Support frame; 65. Ultra-thin cylinder; 69. Limit pin 1; 70. Limit device;

[0035] 5. Left positioning device; 72. Support seat three; 76. Positioning pin; 77. Guide block; 78. Cover plate; 79. Guide pin; 80. Transition piece one; 81. Positioning piece one; 83. Connecting block; 88. Two-hole positioning block one; 90. Positioning piece two; 95. Support seat four;

[0036] 6. Right positioning device; 97. Support seat five; 98. Blade lower positioning piece; 99. Blade upper positioning piece; 100. Small blade positioning piece; 101. Transition piece two; 103. Transition piece three; 106. Two-hole positioning block two; 107. Positioning piece three; 108. Transition plate; 111. Clamp three;

[0037] 7. Right slide device; 112. Limit block 2; 113. Support plate 2; 114. Interchangeable slide rail 2; 115. Guard plate; 117. Drive cylinder 2; 121. Support plate; 122. Two-hole positioning block 3;

[0038] 8. Grass blade positioning device; 124. Support seat six; 125. Positioning piece four; 126. Positioning plate one; 127. Pad one; 129. Clamp one; 131. I-type adjustment reference block; 133. Pin two; 134. Guide seat;

[0039] 9. Blade end positioning device; 136. Support seat seven; 137. Clamp seat plate; 138. Baffle plate; 140. Positioning plate two; 141. Pad block two; 143. Clamp two;

[0040] 200, longitudinal axial flow drum; 201, drum body; 202, feeding blades; 203, reinforcing rib 1; 204, small blade a; 205, grain rod seat; 206, grass removal blades; 207, reinforcing rib 2; 208, small blade b. DETAILED DESCRIPTION

[0041] 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.

[0042] Reference Figures 1 to 16As shown, the utility model discloses a welding tool for a longitudinal axial flow drum of a harvester, including a base plate 1, on which a rotating support device 2, a support device 3, a left slide device 4, a right slide device 7, a grass removal blade positioning device 8 and a blade end positioning device 9 are provided. The rotating support device 2 and the grass removal blade positioning device 8 are located at one end of the base plate 1, and the grass removal blade positioning device 8 is located on one side of the rotating support device 2. The supporting device 3 and the blade end positioning device 9 are located at the other end of the base plate 1, and the blade end positioning device 9 is located on one side of the supporting device 3. The rotating support device 2 and the supporting device 3 are arranged relatively to each other. The rotating support device 2 and the supporting device 3 are arranged relatively to each other. The device 3 is used to support the two ends of the longitudinal axial flow roller 200, and the rotating support device 2 can drive the longitudinal axial flow roller 200 to rotate, the grass discharge blade positioning device 8 is used to clamp the grass discharge blades 206 of the longitudinal axial flow roller 200, and the blade end positioning device 9 is used to clamp the feeding blades 202 of the longitudinal axial flow roller 200. The left slide device 4 is arranged on one side of the bottom plate 1, and the left slide device 4 is provided with a left positioning device 5. The right slide device 7 is arranged on the other side of the bottom plate 1, and the right slide device 7 is provided with a right positioning device 6. The left positioning device 5 and the right positioning device 6 are used to clamp multiple grain rod seats 205 of the longitudinal axial flow roller 200.

[0043] Reference Figure 2 and Figure 3As shown, the rotating support device 2 includes a support seat 39, one side of the support seat 39 is provided with a diagonal support 40 for increasing the stability of the support seat 39, the support shaft 20 is rotatably mounted on the support seat 39 through a bearing, one end of the support shaft 20 is connected to a shaft seat plate 17 through a connecting flange 19, and the shaft seat plate 17 is provided with a clamping nut 14, a pressure plate 15 and a bolt 16, the clamping nut 14 is located at the end of the bolt 16, and the clamping The nut 14, the pressure plate 15, the bolt 16 and the shaft seat plate 17 cooperate to clamp the shaft end of the longitudinal axial flow roller 200. Specifically, the shaft end of the longitudinal axial flow roller 200 is placed in the groove of the shaft seat plate 17, and the pressure plate 15 is pressed on the shaft end. Then, by rotating the clamping nut 14, the bolt 16 is driven to rotate, so that the shaft end of the longitudinal axial flow roller 200 is pressed between the pressure plate 15 and the shaft seat plate 17 to ensure the stability of the clamping of the longitudinal axial flow roller 200. The other end of the support shaft 20 is connected to a dividing plate 22 and a hand wheel 23. For easy operation, the hand wheel 23 is located on the outside. A dividing pin 27 is provided on one side of the dividing plate 22. The dividing plate 22 is provided with a plurality of dividing grooves along the circumferential direction. One end of the dividing pin 27 is used to be inserted into the dividing groove, and the other end is connected to an adjustment mechanism. In this embodiment, a plurality of indexing grooves are evenly arranged along the outer edge of the indexing plate 22. When the support shaft 20 rotates to a certain angle, the indexing pin 27 cooperates with the indexing groove to realize positioning of the support shaft 20, thereby positioning the longitudinal flow drum 200, avoiding the longitudinal flow drum 200 from rotating during welding, and ensuring welding accuracy. By turning the hand wheel 23 to drive the longitudinal flow drum 200 to rotate to different angles, each welded part can be welded along the circumference of the longitudinal flow drum 200, thereby improving the convenience of operation.

[0044] Optionally, a plurality of indexing grooves may be evenly arranged on the disk surface of the indexing disk 22 in the circumferential direction, and the indexing pin 27 is perpendicular to the indexing disk 22 , which can also achieve the function of limiting the indexing disk 22 .

[0045] The adjustment mechanism includes an adjustment plate 36 and an elastic member 37. The indexing pin 27 is hinged to the adjustment plate 36 to increase the flexibility of the connection and avoid jamming. One end of the adjustment plate 36 is rotatably connected to the support seat 39 through a pin shaft, and the other end is provided with a pedal 38. The lower end of the elastic member 37 is connected to the adjustment plate 36, and the upper end is connected to the fixing bolt 31. The fixing bolt 31 is installed on the support seat 39 through a seat plate 32. The elastic member 37 is a tension spring or an elastic band. Under the action of the elastic member 37, the indexing pin 27 is inserted into the indexing groove. When the longitudinal axial flow roller 200 needs to be rotated to a certain angle, the pedal 38 is pressed to drive the indexing pin 27 to move downward, so that the indexing pin 27 is separated from the indexing groove and the indexing plate 22 is no longer limited. The hand wheel 23 is turned to drive the indexing plate 22 and the longitudinal axial flow roller 200 to rotate synchronously. When another indexing groove on the indexing plate 22 is located above the indexing pin 27, the pedal 38 is released to insert the indexing pin 27 into the indexing groove, thereby limiting the indexing plate 22 and the longitudinal axial flow roller 200 and ensuring the accuracy of the welding position of the workpiece to be welded.

[0046] Furthermore, a guide seat plate 28 is provided on the outer side of the indexing pin 27 to guide the indexing pin 27 and increase the stability of the movement of the indexing pin 27 .

[0047] The adjustment mechanism also includes a pull rod 33 and a limit plate 30. A U-shaped groove is opened on the limit plate 30. Connecting plates 34 are provided at both ends of the pull rod 33. The upper end of the pull rod 33 passes through the U-shaped groove and is hinged to the indexing pin 27 through the connecting plate 34, and the lower end is hinged to the adjustment plate 36 through the connecting plate 34. The limit plate 30 is used to limit the downward movement distance of the indexing pin 27 to prevent the indexing pin 27 from escaping from the guide seat plate 28.

[0048] Reference Figure 4 As shown, the supporting device 3 includes a supporting seat 41 and a seat plate 43 installed on the supporting seat 41, the seat plate 43 is provided with a receiving groove 50 for accommodating the conical end of the barrel 201, the seat plate 43 is provided with two parallel supporting members 46, a pressure plate 47 is hinged to the supporting member 46 through a pin 45 to ensure the clamping effect of the pressure plate 47, a clamping nut 48 and a bolt 49 are provided on the pressure plate 47, the clamping nut 48 is located at the end of the bolt 49, and the pressure plate 47, the clamping nut 48 and the bolt 49 are used together to clamp the conical end of the barrel 201. Specifically, the conical end of the cylinder body 201 is placed in the receiving groove 50, and the pressure plate 47 rotates around the pin shaft 45 to tighten the conical end of the cylinder body 201 in the receiving groove 50, and the bolt 49 is driven to rotate by rotating the clamping nut 48, and the bolt 49 is screwed into the fixing block 51, so as to lock the conical end of the cylinder body 201 in the receiving groove 50, thereby ensuring the stability and firmness of the clamping of the longitudinal axial flow drum 200.

[0049] Reference Figures 5 to 7 As shown, the left slide device 4 includes a driving cylinder 54 and a slide 61, the lower end of the slide 61 is provided with an interchangeable slider 60, the support plate 1 is provided with two corresponding parallel interchangeable slide rails 59, the support plate 1 is installed on the base plate 1, the interchangeable slider 60 is slidably installed on the interchangeable slide rail 59, the output end of the driving cylinder 54 is connected to the slide 61 and drives the slide 61 to reciprocate along the interchangeable slide rail 59, and a plurality of support frames 63 are provided on the slide 61, and the support frames 63 are used to support the left positioning device 5.

[0050] Furthermore, an ultra-thin cylinder 65 is provided on the slide 61, and a limit pin 69 is provided at the output end of the ultra-thin cylinder 65. A limit device 70 is installed on the base plate 1, and a limit hole is provided on the limit device 70. When the slide 61 moves to contact with the limit block 56 on the base plate 1, the limit pin 69 is used to be inserted into the limit hole to limit the position of the slide 61, thereby limiting the position of the left positioning device 5, avoiding the movement of the left positioning device 5 during welding, and ensuring the accuracy of the welding position.

[0051] Reference Figure 8 and Fig. 9As shown, the left positioning device 5 includes two parallel support seats 3 72 and support seats 4 95, and two connecting blocks 83 are arranged between the support seats 3 72 and the support seats 4 95. A guide block 77 is installed at the end of the support seat 3 72, and a positioning pin 76 and a guide pin 79 are installed on the guide block 77. The positioning pin 76 and the guide pin 79 are arranged at 90 degrees. A cover plate 78 is also installed on the guide block 77. The cover plate 78 is used to limit the position of the positioning pin 76. The guide pin 79 is arranged vertically with the positioning pin 76. A guide groove is arranged axially on the positioning pin 76. The guide pin 79 cooperates with the guide groove to prevent the positioning pin 76 from rotating, so that the positioning pin 76 can move axially normally. The barrel 201 of the longitudinal flow drum 200 is provided with a positioning hole corresponding to the positioning pin 76. The positioning pin 76 cooperates with the positioning hole to realize the positioning of the barrel 201, avoid the barrel 201 from rotating during welding, and ensure the accuracy of the welding position. The support seat three 72, the support seat four 95 and the connecting block 83 are provided with a plurality of positioning clamping components one, each positioning clamping component one includes a transition piece one 80, a positioning piece one 81 and a positioning piece two 90, the positioning clamping component one is used to clamp a plurality of the grain rod seats 205, the positioning piece one 81 is installed on the support seat three 72, the support seat four 95 and the connecting block 83 through the transition piece one 80, the position of the positioning clamping component one corresponds to the position of the grain rod seat 205 on the barrel 201, the plurality of positioning clamping components one are in an arc shape from the support seat three 72 to the support seat four 95 as a whole, and the arrangement of the plurality of positioning clamping components one corresponds to the position of the grain rod seat 205 on the barrel 201, refer to Fig. 9 As shown, the thread rod seat 205 is welded to the barrel 201 along the circumferential direction.

[0052] Reference Fig.10 and Fig.11 As shown, the right positioning device 6 includes a support seat five 97, and the support seat five 97 is provided with a lower blade positioning member 98, an upper blade positioning member 99 and a small blade positioning member 100. The lower blade positioning member 98 and the upper blade positioning member 99 are used to clamp the feeding blade 202, and the small blade positioning member 100 is used to clamp the small blade b208.

[0053] A two-hole positioning block 106 and a positioning piece 107 are installed on the side wall of the support seat 5 97 through a transition plate 108. The two-hole positioning block 106 and the positioning piece 107 are L-shaped as a whole. The two-hole positioning block 106 and the positioning piece 107 are used to position the thread rod seat 205, ensure the accuracy of the position of the thread rod seat 205, and ensure the welding quality. Further, the support seat 5 97 is also provided with a plurality of transition pieces 2 101 and a plurality of transition pieces 3 103. The plurality of transition pieces 2 101 and the plurality of transition pieces 3 103 are arranged in an arc shape as a whole. The arrangement position of the transition pieces 2 101 and the transition pieces 3 103 corresponds to the position of the thread rod seat 205 on the barrel 201, and is used to support the thread rod seat 205, ensure the stability of its clamping, and realize the welding of the thread rod seat 205 on the barrel 201 along the circumferential direction.

[0054] Reference Fig.12 As shown, the right slide device 7 includes a support plate 113, a driving cylinder 117 and a support plate 121. The right positioning device 6 is installed on the support plate 121. The support plate 113 is installed on the base plate 1. Two parallel interchangeable slide rails 114 are provided on the support plate 113. The interchangeable slide rails 114 are provided with a guard plate 115 to protect the interchangeable slide rails 114. The lower end of the support plate 121 is provided with a corresponding slider 2. The output end of the driving cylinder 117 is connected to the support plate 121, and drives the support plate 121 to reciprocate along the interchangeable slide rails 114, thereby driving the right positioning device 6 to move.

[0055] Furthermore, both ends of the support plate 113 are provided with limit blocks 112, and the support plate 121 is provided with corresponding two-hole positioning blocks 122. The limit blocks 112 cooperate with the two-hole positioning blocks 122 to limit the reciprocating position of the support plate 121 and the right positioning device 6, thereby ensuring the accuracy of the positioning of the feeding blade 202 and the small blade b208 and the welding accuracy.

[0056] Furthermore, the driving cylinder 1 54 and the driving cylinder 2 117 are installed on the base plate 1, which can not only satisfy the function of driving the slide to move, but also save space and make the overall structure compact.

[0057] Reference Fig.13As shown, the grass removal blade positioning device 8 includes a support seat 6 124, and a positioning clamping assembly 2 is provided on the support seat 6 124, and the positioning clamping assembly 2 is used to clamp the grass removal blade 206. Specifically, the positioning clamping assembly 2 includes a positioning member 4 125, a positioning plate 126 and a clamp 129. The positioning member 4 125 is connected to the guide seat 134 through a pin 2 133. The guide seat 134 is installed on the support seat 6 124, and the positioning plate 126 and the clamp 129 are installed on the positioning member 4 125. One end of the positioning plate 126 is provided with an I-type adjustment reference block 131, and the other end is provided with a cushion block 127. The cushion block 127 is located below the clamp 129. The grass removal blade 206 is placed on the positioning plate 126 and clamped with the clamp 129 to ensure the firmness of the grass removal blade 206 clamping and the welding accuracy.

[0058] Reference Fig.14 As shown, the blade end positioning device 9 includes a support seat 7 136, and a positioning clamping assembly 3 is provided on the support seat 7 136. The positioning clamping assembly 3 is used to clamp the small blade a204. Specifically, the positioning clamping assembly 3 includes a baffle 138, a positioning plate 2 140, a cushion block 2 141 and a clamp 2 143. The clamp 2 143 is installed on the support seat 7 136 through a clamp seat plate 137. The cushion block 2 141 is provided between the clamp 2 143 and the positioning plate 2 140. The baffle 138 is located on one side of the cushion block 2 141, and the baffle 138 is installed on the support seat 7 136. When in use, the small blade a204 is placed on the positioning plate 2 140 and is pressed by the clamp 2 143. The baffle 138 plays a limiting role on the small blade a204, further ensuring the stability and firmness of the clamping of the small blade a204, and ensuring the welding accuracy.

[0059] The use process of the utility model is as follows:

[0060] 1. Support and clamp both ends of the barrel 201:

[0061] Loosen all positioning clamps, insert the indexing pin 27 into one of the indexing grooves on the indexing plate 22, and then use a sling to hang the longitudinal axial flow drum 200 and place it on the shaft seat plate 17 of the left rotating support device 2 and the seat plate 2 43 of the right support device 3, and then insert the locating pin 76 of the left positioning device 5 into the locating hole of the cylinder body 201, and then fasten the pressure plate 15, and use the tightening nut 14 and the bolt 16 to tighten one end of the cylinder body 201, fasten the pressure plate 2 47, and use the tightening nut 2 48 and the bolt 2 49 to tighten the conical end of the cylinder body 201 to achieve preliminary positioning of the cylinder body 201.

[0062] 2. Move the left positioning device 5 and the right positioning device 6 to the specified position:

[0063] The air circuit control system is operated, and the driving cylinder 1 54 of the left slide device 4 drives the left positioning device 5 to move inward, and the driving cylinder 2 117 of the right slide device 7 drives the right positioning device 6 to move inward until they contact with the limit block 1 56 and the limit block 2 112, that is, the left positioning device 5 and the right positioning device 6 move to the specified position, and the driving cylinder 1 54 and the driving cylinder 2 117 stop working;

[0064] Operate the air circuit control system, insert the ultra-thin cylinder 65 with the limit pin 69 into the limit hole of the limit device 70 to limit the position of the left slide device 4;

[0065] 3. Clamp each part to be welded and weld:

[0066] Put the feeding blade 202 on the blade lower positioning member 98 and the blade upper positioning member 99 of the right positioning device 6 and clamp them with the clamp 129, and put the small blade a204 on the positioning plate 140 of the blade end positioning device 9 and clamp them with the clamp 143;

[0067] Put the small blade b208 on the small blade positioning member 100 of the right positioning device 6, and clamp it with the clamp three 111;

[0068] Put the grass removal blade 206 on the positioning plate 126 of the grass removal blade positioning device 8 and clamp it with a clamp 129;

[0069] Place multiple thread rod seats 205 on the positioning member 1 81 and the positioning member 2 90 and the two-hole positioning block 1 88 of the left positioning device 5 and the two-hole positioning block 2 106 and the positioning member 3 107 of the right positioning device 6 in sequence for positioning;

[0070] Measure the placement positions of reinforcing rib 1 203 and reinforcing rib 2 207 by using a tape measure, then place reinforcing rib 1 203 in the corresponding position of the feeding blade 202, place reinforcing rib 2 207 in the corresponding position of the grass removal blade 206, and then weld each weld according to the requirements of the drawing.

[0071] Among them, the grass-removing blades 206 and the second reinforcing rib 207 are gradually welded on the barrel 201 in three equal parts along the circumferential direction of the barrel 201, and the remaining parts to be welded are gradually welded on the barrel 201 in two equal parts along the circumferential direction of the barrel 201. This step welds the various parts to be welded in the first equal part.

[0072] 4. Rotate the barrel 201 counterclockwise by 120° and weld each part to be welded to the barrel 201;

[0073] Then pull out the locating pin 76 of the left locating device 5, keep the clamping state of the clamps at both ends of the clamping barrel 201, loosen or return all other clamps, flip the positioning and limit pins, return the left locating device 5 and the right locating device 6 to the initial position, step on the pedal 38, separate the indexing pin 27 from the indexing groove on the indexing disk 22, hold the handwheel 23 with your hand, turn it 120° counterclockwise, release the pedal 38, and the elastic member 37 with the indexing pin 27 is inserted into another indexing groove of the indexing disk 22, and then place the grass removal blade 206 on the positioning plate 126 of the grass removal blade positioning device 8, clamp it with the clamp 129, and then place the reinforcing rib 207 at the corresponding position of the grass removal blade 206, and then weld each weld according to the requirements of the drawing; this step welds the grass removal blade 206 and the reinforcing rib 207 of the second equal part of the three equal parts.

[0074] 5. Rotate the barrel 201 counterclockwise by 60°, and weld each part to be welded to the barrel 201. This step welds each other part to be welded in the second half of the two parts;

[0075] Then release the clamp 129, flip open the positioning member 4 125, step on the pedal 38, separate the indexing pin 27 from the indexing groove on the indexing plate 22, hold the hand wheel 23 by hand, turn it 60° counterclockwise, release the pedal 38, and insert the elastic member 37 with the indexing pin 27 into another indexing groove of the indexing plate 22, operate the air circuit control system, use the driving cylinder 1 54 to drive the left positioning device 5 to move inward, and use the driving cylinder 2 117 to drive the right positioning device 6 to move inward until they contact with the limit block 1 56 and the limit block 2 112, that is, the left positioning device 5 and the right positioning device 6 move to the specified position, and the driving cylinder 1 54 and the driving cylinder 2 117 stop working;

[0076] Operate the air circuit control system, insert the ultra-thin cylinder 65 with the limit pin 69 into the limit hole of the limit device 70 to limit the position of the left slide device 4;

[0077] Place the feed blade 202 on the blade lower positioning member 98 and the blade upper positioning member 99 of the right positioning device 6, and place the small blade a204 on the positioning plate 2 140 of the blade end positioning device 9, and clamp them with clamps respectively;

[0078] Place the small blade b208 on the small blade positioning member 100 of the right positioning device 6 and clamp it with a clamp.

[0079] Then, the thread rod seat 205 is sequentially placed on the positioning member 1 81, the positioning member 2 90 and the two-hole positioning block 1 88 of the left positioning device 5, and the two-hole positioning block 2 106 and the positioning member 3 107 of the right positioning device 6, and fixed in place.

[0080] Put the reinforcing rib 1 203 into the corresponding position of the feeding blade 202, put the reinforcing rib 207 into the corresponding position of the grass removal blade 206, and then weld each weld according to the requirements of the drawing.

[0081] 6. Rotate the barrel 201 counterclockwise by 60° and weld each part to be welded to the barrel 201;

[0082] Then pull out the positioning pin 76 of the left positioning device 5, keep the clamping state of the clamps at both ends of the clamping barrel 201, loosen and retract all other clamps, flip the positioning and limit pins, retract the left positioning device 5 and the right positioning device 6 to the initial position, step on the pedal 38, separate the indexing pin 27 from the indexing groove on the indexing plate 22, hold the handwheel 23 by hand, turn it 60° counterclockwise, release the pedal 38, and the elastic member 37 inserts the indexing pin 27 into another indexing groove of the indexing plate 22 The grass-discharging blade 206 is placed in the groove, and then placed on the positioning plate 126 of the grass-discharging blade positioning device 8, and clamped with a clamp 129, and then the reinforcing rib 207 is placed at the corresponding position of the grass-discharging blade 206, and then welded according to the requirements of the drawing; after the overall welding work is completed, all clamps, pressure plates and flip positioning are released, and the left positioning device 5 and the right positioning device 6 are returned to the initial position, and then the welded longitudinal axial flow roller 200 is lifted from the tooling with a sling. This step welds the grass-discharging blade 206 and the reinforcing rib 207 of the third equal part of the three equal parts.

[0083] 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 shall be included in the protection scope of the present invention.

Claims

1. A welding tool for a longitudinal axial flow drum of a harvester, comprising a bottom plate (1), characterized in that: The bottom plate (1) is provided with a rotating support device (2), a support device (3), a left slide device (4), a right slide device (7), a grass removal blade positioning device (8) and a blade end positioning device (9); the rotating support device (2) and the grass removal blade positioning device (8) are located at one end of the bottom plate (1); the support device (3) and the blade end positioning device (9) are located at the other end of the bottom plate (1); the rotating support device (2) and the support device (3) are used to support the two ends of the longitudinal axial flow roller (200); and the rotating support device (2) can drive the longitudinal axial flow roller (200) to rotate; The blade positioning device (8) is used to clamp the grass discharge blades (206) of the longitudinal axial flow roller (200), and the blade end positioning device (9) is used to clamp the feeding blades (202) of the longitudinal axial flow roller (200). The left slide device (4) is arranged on one side of the bottom plate (1), and a left positioning device (5) is provided on the left slide device (4). The right slide device (7) is arranged on the other side of the bottom plate (1), and a right positioning device (6) is provided on the right slide device (7). The left positioning device (5) and the right positioning device (6) are used to clamp a plurality of thread rod seats (205) on the longitudinal axial flow roller (200).

2. The welding tooling of the harvester longitudinal axial flow drum according to claim 1 is characterized in that: The rotating support device (2) comprises a support seat (39), on which a rotatable support shaft (20) is mounted, one end of the support shaft (20) is provided with a clamping nut (14), a pressure plate (15), a bolt (16) and a shaft seat plate (17), and the other end is connected with a dividing plate (22) and a hand wheel (23), the clamping nut (14), the pressure plate (15), the bolt (16) and the shaft seat plate (17) are used to clamp the shaft end of the longitudinal axial flow roller (200), one side of the dividing plate (22) is provided with a dividing pin (27), and the dividing plate (22) is provided with a plurality of dividing grooves along the circumferential direction, one end of the dividing pin (27) is inserted into the dividing groove, and the other end is connected with an adjusting mechanism.

3. The welding tooling of the harvester longitudinal axial flow drum according to claim 2 is characterized in that: The adjustment mechanism comprises an adjustment plate (36) and an elastic member (37); the indexing pin (27) is hinged to the adjustment plate (36); one end of the adjustment plate (36) is rotatably connected to the support seat (39) via a pin shaft, and the other end is provided with a pedal (38); the lower end of the elastic member (37) is connected to the adjustment plate (36), and the upper end is connected to a fixing bolt (31); and the fixing bolt (31) is installed on the support seat (39).

4. The welding tooling for the longitudinal axial flow drum of the harvester according to claim 1 is characterized in that: The support device (3) comprises a support seat (41) and a seat plate (43) installed on the support seat (41); a pressure plate (47) is hinged on the seat plate (43); a clamping nut (48) and a bolt (49) are provided on the pressure plate (47); the pressure plate (47), the clamping nut (48) and the bolt (49) are used to clamp the conical end of the cylinder body (201) of the longitudinal axial flow drum (200).

5. The welding tool for the longitudinal axial flow drum of the harvester according to claim 1, characterized in that: The left slide device (4) comprises a driving cylinder (54) and a slide (61); an interchangeable slider (60) is provided at the lower end of the slide (61); a corresponding interchangeable slide rail (59) is provided on the bottom plate (1); the interchangeable slider (60) is slidably mounted on the interchangeable slide rail (59); the output end of the driving cylinder (54) is connected to the slide (61) and drives the slide (61) to reciprocate along the interchangeable slide rail (59); a plurality of support frames (63) are provided on the slide (61); the support frames (63) are used to support the left positioning device (5).

6. The welding tool for the longitudinal axial flow drum of the harvester according to claim 5, characterized in that: An ultra-thin cylinder (65) is provided on the slide (61), and a limit pin (69) is provided at the output end of the ultra-thin cylinder (65). A limit device (70) is installed on the bottom plate (1), and a limit hole is provided on the limit device (70). The limit pin (69) is used to be inserted into the limit hole.

7. The welding tool for the longitudinal axial flow drum of the harvester according to claim 1, characterized in that: The left positioning device (5) comprises two parallelly arranged support seats three (72) and four support seats (95), a connecting block (83) is provided between the support seats three (72) and four support seats (95), a positioning pin (76) is provided at the end of the support seat three (72), a corresponding positioning hole is provided on the cylinder body (201) of the longitudinal axial flow drum (200), and a plurality of positioning clamping components one are provided on the support seat three (72), the connecting block (83) and the support seat four (95), and the positioning clamping components one are used to clamp a plurality of the thread rod seats (205).

8. The welding tool for the longitudinal axial flow drum of the harvester according to claim 1, characterized in that: The right positioning device (6) comprises a support seat five (97), on which a lower blade positioning member (98), an upper blade positioning member (99) and a small blade positioning member (100) are provided. The lower blade positioning member (98) and the upper blade positioning member (99) are used to clamp the feeding blade (202), and the small blade positioning member (100) is used to clamp the small blade b (208).

9. The welding tool for the longitudinal axial flow drum of the harvester according to claim 1, characterized in that: The grass removal blade positioning device (8) comprises a support seat six (124), on which a positioning clamping component two is provided, and the positioning clamping component two is used to clamp the grass removal blades (206).

10. The welding tool for the longitudinal axial flow drum of the harvester according to claim 1, characterized in that: The blade end positioning device (9) comprises a support seat seven (136), on which a positioning clamping assembly three is provided, and the positioning clamping assembly three is used to clamp the small blade a (204).

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