Welding tool for main frame assembly of rice transplanter

Abstract

The utility model relates to a welding tool for a main frame assembly of a rice transplanter. The welding tool comprises a front end positioning part, a rear left positioning part, a rear right positioning part, a first face hole positioning part, a second face hole positioning part, a first pipe positioning part, a second pipe positioning part, a second sleeve positioning part, a first high part positioning part, a second high part positioning part, a third high part positioning part, a fourth high part positioning part, a supporting pipe positioning part, a vertical pipe positioning part, a first plate positioning part and a second plate positioning part. According to the utility model, all the parts to be welded are accurately positioned and clamped, so that the welding quality is ensured; through positioning and clamping, accurate and flexible positioning, taking and placing of parts are facilitated, and the production efficiency is improved; by arranging the positioning pin and the positioning sleeve, a hole and a sleeve of a to-be-welded piece can be accurately positioned conveniently, the coaxiality is guaranteed, the welding quality is guaranteed, and the piece is easy to take and place; by arranging the first sliding supporting plate and arranging the limiting pins on the first supporting plate to be matched with the two limiting holes in the bottom plate, generalization and positioning accuracy of welding of various machine types are achieved, the production site and the manufacturing cost are saved, and parts are convenient to take and place.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, and particularly relates to a welding jig for a main frame assembly of a transplanter. Background Art

[0002] In a transplanter, the main frame is an important component of the transplanter, and it is connected to almost all other components of the transplanter. Most of the existing second-order welding jigs for the main frame are simple jigs, and each part needs to be manually clamped one by one, which not only makes it difficult to ensure the welding quality, but also is time-consuming and laborious in operation. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a welding jig for a main frame assembly of a transplanter.

[0004] The technical solution for the utility model to solve the above technical problems is as follows: A welding jig for a main frame assembly of a transplanter, including a front-end positioning, a rear-left positioning, a rear-right positioning, a face positioning one, a face positioning two, a pipe positioning one, a pipe positioning two, a sleeve positioning two, a high-piece positioning one, a high-piece positioning two, a high-piece positioning three, a high-piece positioning four, a support pipe positioning, a vertical pipe positioning, a plate positioning one and a plate positioning two;

[0005] The front-end positioning and the rear-left positioning are cooperated to clamp a first longitudinal pipe of the main frame, and the rear-left positioning and the rear-right positioning are cooperated to clamp a second longitudinal pipe of the main frame;

[0006] The sleeve positioning two is used to clamp a first positioning sleeve of the main frame assembly;

[0007] The front-end positioning is used to clamp a second positioning sleeve, a lifting seat and a third positioning sleeve of the main frame assembly;

[0008] The face positioning one and the sleeve positioning two are cooperated to clamp a left fixing seat of the main frame assembly;

[0009] The face positioning two is used to clamp a right fixing seat of the main frame assembly;

[0010] The high-piece positioning one, the high-piece positioning two, the high-piece positioning three and the high-piece positioning four are cooperated to position a rear bracket of the main frame assembly;

[0011] The support pipe positioning, the vertical pipe positioning and the plate positioning one are cooperated to clamp a front vertical beam of the main frame assembly;

[0012] The rear-left positioning and the rear-right positioning are cooperated to clamp a cross beam of the main frame assembly;

[0013] The plate locator 1 and the positioning template 3 are cooperatively used for clamping the left vertical plate of the main frame assembly, and the plate locator 2 and the positioning template 3 are cooperatively used for clamping the right vertical plate of the main frame assembly;

[0014] The pipe locator 1 is used for clamping the front connecting plate 1 of the main frame assembly, and the pipe locator 2 is used for clamping the front connecting plate 2 of the main frame assembly;

[0015] The pipe locator 1 and the high component locator 3 are cooperatively used for clamping the left bent pipe of the main frame assembly;

[0016] The pipe locator 2 and the high component locator 4 are cooperatively used for clamping the right bent pipe of the main frame assembly;

[0017] The vertical pipe locator is used for clamping the rear bracket of the main frame assembly.

[0018] On the basis of the above technical solution, the present utility model can further make the following improvements to the above technical solution:

[0019] Preferably, it further includes a bottom plate. The front end positioning includes a support plate 1 and an interchangeable linear slide rail. The support plate 1 is slidably installed on the interchangeable linear slide rail, and the interchangeable linear slide rail is installed on the bottom plate. A limit pin 1 is installed on the support plate 1, and a limit hole 1 and a limit hole 2 are installed on the bottom plate. The limit hole 1 and the limit hole 2 are located on one side of the support plate 1, and the limit pin 1 is inserted into the limit hole 1 or the limit hole 2.

[0020] Preferably, the front end positioning further includes a right pipe locator and a left pipe locator. The structures of the rear right positioning and the rear left positioning are the same. The rear left positioning includes a cushion plate and a backing plate 1. The longitudinal pipe 1 is placed on the cushion plate and the backing plate 1 of the left pipe locator and the rear left positioning, and the longitudinal pipe 2 is placed on the cushion plate and the backing plate 1 of the right pipe locator and the rear right positioning. The cushion plate clamps the longitudinal pipe 1 and the longitudinal pipe 2.

[0021] Preferably, the front end positioning includes a support column 1, a positioning shaft 1 and a positioning shaft 2. There are two support columns 1. The two ends of the positioning shaft 1 are installed on the support column 1 through a support sleeve 1, and the two ends of the positioning shaft 1 are used for insertion into the positioning sleeve 3; the two ends of the positioning shaft 2 are installed on the support column 1 through a support sleeve 2, and the two ends of the positioning shaft 2 are used for insertion into the positioning sleeve 2.

[0022] Preferably, the front end positioning includes an intermediate positioning. The intermediate positioning includes a positioning block 4 and a backing plate 5. The positioning block 4 and the backing plate 5 are cooperatively used for clamping the lifting seat.

[0023] Preferably, the face positioning one includes a positioning pin one and a positioning plate two. The sleeve positioning two includes two backing plates three, and a magnet is installed on each backing plate three. The positioning pin one is used for being inserted into the positioning hole one of the left fixing seat. The positioning plate two cooperates with one of the backing plates three to position the side surface of the left fixing seat. The magnet is used for adsorbing the left fixing seat. The face positioning two includes a positioning pin and a positioning plate. The positioning pin is used for being inserted into the positioning hole two of the right fixing seat. The positioning plate cooperates with the other backing plate three to position the side surface of the right fixing seat. The magnet is used for adsorbing the right fixing seat.

[0024] Preferably, the high part positioning one includes a positioning block four and a pin one. The high part positioning two includes a pin two and a positioning block five. The high part positioning three includes a positioning block four. The high part positioning four includes a positioning block six. The pin one and the pin two of the high part positioning two are used for being inserted into the holes of the rear bracket. The positioning block four of the high part positioning one, the positioning block five of the high part positioning two, the positioning block four of the high part positioning three and the positioning block six of the high part positioning four cooperate to clamp the rear bracket.

[0025] Preferably, the trustee positioning is used for supporting the front vertical beam. The riser pipe positioning includes a positioning plate six. The plate positioning one includes a pipe positioning plate. The positioning plate six and the pipe positioning plate cooperate to fix the front and rear positions of the front vertical beam.

[0026] Preferably, the backing plate four of the plate positioning one and the magnet on the backing plate four are used for fixing the left and right positions of the right vertical plate. The backing plate of the plate positioning two and the magnet on the backing plate are used for fixing the left and right positions of the left vertical plate. The positioning template three is used for fixing the hole positions on the upper surfaces of the left vertical plate and the right vertical plate.

[0027] Preferably, the pressing plate six of the riser pipe positioning presses the cross pipe on the rear bracket, and the nut of the riser pipe positioning locks the pressing plate six.

[0028] The beneficial effects of the present utility model are as follows: The present utility model realizes the precise positioning and clamping of all workpieces to be welded, ensuring the welding quality. Through positioning and clamping, it is convenient for accurate and flexible positioning and picking and placing of workpieces, and improves the production efficiency. By setting positioning pins and positioning sleeves, it is convenient for accurately positioning the holes and sleeves of workpieces to be welded, ensuring coaxiality, ensuring welding quality and being easy to pick and place workpieces. By setting a sliding support plate one and arranging a limit pin on the support plate one to cooperate with two limit holes on the bottom plate, the universality of welding for multiple models and the accuracy of positioning are realized, saving production sites and manufacturing costs, and being convenient for picking and placing workpieces. By taking anti-deformation measures for the rear bracket, the flatness after welding is ensured, further improving the welding quality and welding efficiency. Description of the Drawings

[0029] Figure 1Schematic diagram of the welding tooling of the present utility model;

[0030] Figure 2 Top view schematic diagram of the welding tooling of the present utility model;

[0031] Figure 3 Schematic diagram of the front-end positioning of the present utility model;

[0032] Figure 4 Top view schematic diagram of the front-end positioning of the present utility model;

[0033] Figure 5 Schematic diagram of the middle positioning of the present utility model;

[0034] Figure 6 Schematic diagram of the rear left positioning of the present utility model;

[0035] Figure 7 Schematic diagram of the hole face positioning of the present utility model;

[0036] Figure 8 Schematic diagram of the pipe positioning one of the present utility model;

[0037] Figure 9 Schematic diagram of the sleeve positioning two of the present utility model;

[0038] Figure 10 Schematic diagram of the high part positioning one of the present utility model;

[0039] Figure 11 Schematic diagram of the high part positioning three of the present utility model;

[0040] Figure 12 Schematic diagram of the riser pipe positioning of the present utility model;

[0041] Figure 13 Schematic diagram of the plate positioning one of the present utility model;

[0042] Figure 14 Structural schematic diagram of the main frame assembly

[0043] Figure 15 Schematic diagram when the clamping of the present utility model is completed.

[0044] The reference numerals are recorded as follows: 1. Base plate;

[0045] 2. Front-end positioning; 23. Support plate one; 24. Right pipe positioning; 25. Left pipe positioning; 26. Support column one;

[0046] 28. Intermediate positioning; 153. Second seat plate; 154. Standard cylinder; 155. Positioning plate; 156. Second support column; 157. Fifth cushion plate; 158. Upper plate; 160. Second support plate; 161. Second limit seat; 29. First sleeve; 30. Second sleeve; 31. First positioning shaft; 32. Interchangeable linear slide rail; 34. Second positioning shaft; 35. First limit pin; 36. First limit hole; 37. First limit seat; 38. Second limit hole; 39. First support sleeve; 40. Second support sleeve;

[0047] 3. Coarse end positioning;

[0048] 4. Rear left positioning; 41. Guide seat; 42. First ultra-thin cylinder; 46. First fixing plate; 47. Pad disk; 49. First cushion plate; 51. First positioning plate; 52. Guide shaft; 54. Second cushion plate; 56. First pressing plate; 57. First positioning block; 59. First support plate; 60. First eccentric clamping cylinder; 61. First support seat; 62. First U-shaped limit block;

[0049] 5. Rear right positioning;

[0050] 6. First hole face positioning; 63. First positioning pin; 66. Guide plate; 67. Second ultra-thin cylinder; 68. First handle; 69. Second positioning plate; 74. Second support seat;

[0051] 7. Second hole face positioning;

[0052] 8. First pipe positioning; 75. Third support seat; 79. Second eccentric clamping cylinder; 80. Second support plate; 81. Second pressing plate; 82. Second positioning block; 84. Third positioning pin; 86. Third positioning plate; 90. Second U-shaped limit block;

[0053] 9. Second pipe positioning;

[0054] 10. Second sleeve positioning; 93. Fourth support seat; 94. Fifth sleeve; 95. Pressing block; 98. Pin shaft; 99. Sixth sleeve; 100. Third cushion plate; 102. Magnet; 103. Second positioning pin; 104. Third positioning block;

[0055] 11. First high part positioning; 111. First L-shaped angle seat; 112. Clamping cylinder; 113. Cylinder seat; 114. Third pressing plate; 115. Fourth positioning block; 117. First pin; 121. Second fixing plate;

[0056] 12. Second high part positioning;

[0057] 13. Third high part positioning; 122. Second L-shaped angle seat; 123. First seat plate; 125. Fourth positioning plate; 128. Fourth pressing plate; 129. Fifth pressing plate; 130. Fourth eccentric clamping cylinder: 132. Third eccentric clamping cylinder; 133. Fifth positioning plate;

[0058] 14. Fourth high part positioning; 15. Support plate positioning;

[0059] 16. Vertical pipe positioning; 134. L-shaped angle seat III; 135. Fixed plate III; 136. Fixed plate IV; 137. Three-axis cylinder I; 140. Pressing plate VI; 141. Stud; 142. Nut; 143. Positioning pin IV; 144. Positioning plate VI; 145. Diamond pin

[0060] 17. Plate positioning I; 146. L-shaped angle seat IV; 147. Fixed plate V; 148. Positioning plate VII; 149. Three-axis cylinder II; 150. Pipe positioning plate; 151. Spacer IV

[0061] 18. Plate positioning II; 19. Pneumatic circuit system

[0062] 22. Positioning template III

[0063] 200. Main frame assembly; 201. Rear bracket; 203. Front vertical beam; 204. Left vertical plate; 205. Connecting rib; 206. Cross beam; 207. Left fixed seat; 208. Left elbow pipe; 209. Front connecting plate I; 210. Elbow pipe support plate; 211. Positioning sleeve I; 212. Main frame; 213. Right elbow pipe; 214. Right fixed seat; 215. Right vertical plate; 216. Positioning sleeve II; 217. Lifting seat; 218. Positioning sleeve III; 219. Longitudinal pipe I; 220. Longitudinal pipe II; 221. Front connecting plate II; 222. Cross pipe Detailed implementation mode

[0064] The principles and features of the present utility model will be described below in conjunction with the accompanying drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0065] As Figures 1 to 15 shown, the present utility model discloses a welding tooling for the main frame assembly of a transplanter, including front-end positioning 2, rear left positioning 4, rear right positioning 5, face hole positioning I 6, face hole positioning II 7, pipe positioning I 8, pipe positioning II 9, sleeve positioning II 10, high-component positioning I 11, high-component positioning II 12, high-component positioning III 13, high-component positioning IV 14, pipe support positioning 15, vertical pipe positioning 16, plate positioning I 17 and plate positioning II 18.

[0066] Refer to Figure 1 and Figure 3As shown, the welding fixture for the main frame assembly of the transplanter further includes a bottom plate 1. The front-end positioning 2 includes a first support plate 23 and an interchangeable linear slide rail 32. The first support plate 23 is slidably mounted on the interchangeable linear slide rail 32. Two parallel interchangeable linear slide rails 32 are mounted on the bottom plate 1. A first limit seat 37 for defining the maximum position of the first support plate 23 is mounted on the bottom plate 1. A first limit pin 35 is mounted on the first support plate 23. A first limit hole 36 and a second limit hole 38 are mounted on the bottom plate 1. The first limit hole 36 and the second limit hole 38 are located on one side of the first support plate 23 and are arranged at a certain distance apart. The first limit pin 35 is inserted into the first limit hole 36 or the second limit hole 38. According to the model of the main frame assembly 200 to be welded, the first limit pin 35 is inserted into the first limit hole 36 or the second limit hole 38 to lock the position of the first support plate 23, thereby meeting the welding requirements of different models, realizing the generalization of the welding fixture, improving the utilization rate, and reducing the processing cost.

[0067] As Figure 1 , Figure 3 , Figure 6 and Figure 15 shown, the front-end positioning 2 and the rear left positioning 4 cooperate to clamp the first longitudinal tube 219 of the main frame 212, and the front-end positioning 2 and the rear right positioning 5 cooperate to clamp the second longitudinal tube 220 of the main frame 212;

[0068] Specifically, the front-end positioning 2 further includes a right tube positioning 24 and a left tube positioning 25 mounted on the first support plate 23. The rear left positioning 4 includes a cushion plate 47 and a first cushion block 49. The structure of the rear right positioning 5 is the same as that of the rear left positioning 4 and is symmetrically arranged. The first longitudinal tube 219 is placed on the left tube positioning 25 and the cushion plate 47 and the first cushion block 49 of the rear left positioning 4. The second longitudinal tube 220 is placed on the right tube positioning 24 and the cushion plate 47 and the first cushion block 49 of the rear right positioning 5. The cushion plate 47 of the rear left positioning 4 and the cushion plate 47 of the rear right positioning 5 cooperate to clamp the first longitudinal tube 219 and the second longitudinal tube 220 on both sides of the main frame 212, realizing precise clamping and positioning of the main frame 212.

[0069] Further, as Figure 6As shown in the figure, the rear left positioning 4 includes a support base 61 and an eccentric clamping cylinder 60 mounted on the support base 61. The output end of the eccentric clamping cylinder 60 is hinged with a pressing plate 56. The pressing plate 56 is rotatably mounted on a support plate 59 through a pin shaft. The support plate 59 is mounted on the support base 61. A U-shaped limit block 62 for defining the position of the pressing plate 56 is provided on the support base 61. A second cushion plate 54 and a first positioning block 57 are provided at the lower end of the pressing plate 56. The second cushion plate 54 is T-shaped. Two guide seats 41 are mounted on the support base 61. A guide shaft 52 is mounted on each guide seat 41. The guide shaft 52 is inserted into a first fixing plate 46. The ultra-thin cylinder 42 is located between the two guide seats 41. The output end of the ultra-thin cylinder 42 is connected to the first fixing plate 46. An L-shaped first positioning plate 51 is mounted on the first fixing plate 46. A cushion disc 47 and a first cushion plate 49 are mounted on the first positioning plate 51.

[0070] Further, the rear left positioning 4 and the rear right positioning 5 cooperate to clamp the cross beam 206 of the main frame assembly 200. Specifically, both ends of the cross beam 206 are respectively mounted on the cushion discs 47 of the rear left positioning 4 and the rear right positioning 5. And an end positioning plate is mounted on the guide seat 41 of the rear right positioning 5. The end of the cross beam 206 abuts against the end positioning plate, so as to limit the cross beam 206.

[0071] Refer to Figures 1 to 5 As shown in the figure, the front end positioning 2 is used to clamp the second positioning sleeve 216, the lifting seat 217, and the third positioning sleeve 218 of the main frame assembly 200;

[0072] Specifically, the front end positioning 2 includes two first support columns 26. A second support sleeve 40 is mounted on the first support column 26. A second sleeve 30 is sleeved on a second positioning shaft 34. Both ends of the second positioning shaft 34 pass through the second support sleeve 40, and both ends of the second positioning shaft 34 are respectively inserted into the second positioning sleeves 216. There are two second positioning sleeves 216 oppositely arranged. One of the second positioning sleeves 216 is arranged on the first longitudinal pipe 219, and the other is arranged on the second longitudinal pipe 220. Both ends of the second positioning shaft 34 are inserted into the second positioning sleeves 216 on both sides, so as to position the main frame 212 again and ensure the welding accuracy.

[0073] The front end positioning 2 further includes a first sleeve 29 and a first support sleeve 39. The first sleeve 29 is sleeved on a first positioning shaft 31. The first support sleeve 39 is mounted on the first support column 26. Both ends of the first positioning shaft 31 are inserted into the first support sleeve 39, and the end of the first positioning shaft 31 is inserted into the third positioning sleeve 218. The third positioning sleeve 218 is arranged on the vertically arranged lifting seat 217, so as to position the lifting seat 217 and ensure the subsequent welding accuracy.

[0074] The front-end positioning 2 includes an intermediate positioning 28, and the intermediate positioning 28 includes a positioning block four 115 and a backing plate five 157. The positioning block four 115 and the backing plate five 157 cooperate to clamp the lifting seat 217.

[0075] Specifically, the positioning block four 115 is installed on the upper plate 158. A support block is provided at the lower end of the positioning block four 115. The positioning plate 155, the upper plate 158, and the backing plate five 157 are installed on the support column two 156. The support column two 156 is installed on the support plate two 160. The support plate two 160 is connected to the output end of the standard cylinder 154. The standard cylinder 154 is installed on the support plate one 23 through the seat plate two 153. The support plate two 160 is installed on the support plate one 23 through the interchangeable linear slide rail 32. A guard plate is provided on the interchangeable linear slide rail 32 to ensure that the support plate two 160 can move normally. The support plate one 23 is provided with a limit seat two 161 for limiting the position of the support plate two 160.

[0076] The face positioning one 6 and the sleeve positioning two 10 cooperate to clamp the left fixed seat 207 of the main frame assembly 200;

[0077] Specifically, referring to Figure 7 As shown, the face positioning one 6 includes a positioning pin one 63 and a positioning plate two 69. The positioning pin one 63 is connected to the output end of the ultra-thin cylinder two 67. A handle one 68 is provided on the ultra-thin cylinder two 67. The ultra-thin cylinder two 67 is installed on the support seat two 74 through the guide plate 66. The positioning plate two 69 is installed on the side of the support seat two 74. A magnet is installed on the positioning plate two 69. Among them, the positioning pin one 63 is used to be inserted into the positioning hole one of the left fixed seat 207. The positioning plate two 69 cooperates with one of the backing plates three 100 of the sleeve positioning two 10 to position the side of the left fixed seat 207. The magnet 102 is used to adsorb the left fixed seat 207 to ensure the firmness of the clamping of the left fixed seat 207.

[0078] The face positioning two 7 has the same structure as the face positioning one 6 and is symmetrically arranged. The face positioning two 7 is used to clamp the right fixed seat 214 of the main frame assembly 200.

[0079] Specifically, the face positioning two 7 includes a positioning pin and a positioning plate. The positioning pin is used to be inserted into the positioning hole two of the right fixed seat 214. The positioning plate cooperates with the other backing plate three 100 to position the side of the right fixed seat 214. The other magnet 102 is used to adsorb the right fixed seat 214.

[0080] Referring to Figure 9As shown, the sleeve positioning two 10 is used to clamp the sleeve positioning one 211 of the main frame assembly 200. The sleeve positioning one 211 is arranged on the longitudinal tube one 219 and the longitudinal tube two 220. Specifically, the sleeve positioning two 10 includes two support seats four 93. One of the support seats four 93 is installed with a backing plate three 100, and the other support seat four 93 is installed with another backing plate three 100 and a positioning block three 104. Each backing plate three 100 is installed with a magnet 102, and the positioning block three 104 is installed with a positioning pin two 103. The tops of the two support seats four 93 are both provided with positioning grooves. A sleeve six 99 is sleeved on the pin shaft 98, and the two ends of the pin shaft 98 are installed in the positioning grooves through the sleeve five 94. The L-shaped pressing block 95 is installed on the support seat four 93 and limits the sleeve five 94. The two ends of the pin shaft 98 are inserted into the sleeve positioning one 211 to position the sleeve positioning one 211.

[0081] The high component positioning one 11, the high component positioning two 12, the high component positioning three 13 and the high component positioning four 14 cooperate to clamp the rear bracket 201;

[0082] Specifically, referring to Figure 1 and Figure 10 As shown, the high component positioning one 11 includes an L-shaped angle seat one 111. An fixing plate two 121 is installed on the L-shaped angle seat one 111. A pin one 117 and a cylinder seat 113 are installed on the fixing plate two 121. The output end of the clamping cylinder 112 is installed with a pressing plate three 114. The pressing plate three 114 is hingedly installed on the cylinder seat 113. A positioning block four 115 is installed on the pressing plate three 114. The pin one 117 is arranged adjacent to the positioning block four 115;

[0083] The structure of the high component positioning two 12 is the same as that of the high component positioning one 11 and is symmetrically arranged. The high component positioning two 12 includes a pin two and a positioning block five. The pin one 117 of the high component positioning one 11 and the pin two of the high component positioning two 12 are used to be inserted into the holes of the rear bracket 201;

[0084] Referring to Figure 1 、 Figure 11 and Figure 15 As shown, the high component positioning three 13 includes a positioning block four 115. The positioning block four 115 is installed on a seat plate one 123. The seat plate one 123 is installed on an L-shaped angle seat two 122. An eccentric clamping cylinder three 132 is also installed on the seat plate one 123. The output end of the eccentric clamping cylinder three 132 is hinged with a pressing plate five 129. The pressing plate five 129 is hingedly installed on a positioning plate five 133;

[0085] The structure of the high piece positioning four 14 is the same as that of the high piece positioning three 13. The high piece positioning four 14 includes a positioning block six. The positioning block four 115 on the high piece positioning one 11, the positioning block five of the high piece positioning two 12, the positioning block four 115 on the high piece positioning three 13 and the positioning block six of the high piece positioning four 14 are used to clamp the rear bracket 201.

[0086] The hosting positioning 15, the riser positioning 16 and the plate positioning 17 cooperate to clamp the front vertical beam 203 of the main frame assembly 200;

[0087] Specifically, the hosting position 15 is used to support the front vertical beam 203, referring to Figure 1 , Figure 12 and Figure 15 As shown, the vertical pipe positioning 16 includes an L-shaped angle seat 3 134, on which a fixing plate 3 135 is installed, and the output end of the three-axis cylinder 137 is connected to a fixing plate 4 136, and one side of the fixing plate 4 136 is provided with a positioning plate 6 144, on which a positioning pin 4 143 and a diamond pin 145 are installed.

[0088] Reference Figure 1 , Figure 13 and Figure 15 As shown, the plate positioning 17 includes an L-shaped angle seat 4 146, on which a fixing plate 5 147 is mounted, on which a three-axis cylinder 2 149 is mounted, and the output end of the three-axis cylinder 2 149 is connected to a positioning plate 7 148, on which a U-shaped tube positioning plate 150 and a pad 4 151 are mounted, and on which a magnet 102 is mounted.

[0089] The positioning pin four 143 and the diamond pin 145 on the positioning plate six 144 are used to be inserted on the front vertical beam 203. The positioning plate six 144 of the vertical pipe positioning 16 and the tube positioning plate 150 of the plate positioning one 17 are used to fix the front and rear positions of the front vertical beam 203. The end of the tube positioning plate 150 is abutted against the front vertical beam 203 to limit the position of the front vertical beam 203.

[0090] The plate positioning one 17 is used in conjunction with the positioning template three 22 to clamp the right vertical plate 215, and the plate positioning two 18 is used in conjunction with the positioning template three 22 to clamp the left vertical plate 204. Specifically, the pad four 151 of the plate positioning one 17 and the magnet 102 on the pad four 151 are used to fix the side of the right vertical plate 215; the structure of the plate positioning two 18 is the same as that of the plate positioning one 17, the pad of the plate positioning two 18 and the magnet on the pad are used to fix the side of the left vertical plate 204, and the positioning template three 22 is used to fix the holes on the left vertical plate 204 and the right vertical plate 215, so as to achieve a firm clamping of the left vertical plate 204 and the right vertical plate 215 and ensure the subsequent welding accuracy.

[0091] The first pipe positioning member 8 and the third high member positioning member 13 cooperate to clamp the left bent pipe 208 of the main frame assembly 200; a first front connecting plate 209 is provided on the left bent pipe 208, and the first pipe positioning member 8 is used to clamp the first front connecting plate 209 on the left bent pipe 208.

[0092] Specifically, referring to Figure 1 、 Figure 8 and Figure 15 As shown in

[0093] Referring to Figure 11 As shown, the third high member positioning member 13 includes an eccentric clamping cylinder four 130. The output end of the eccentric clamping cylinder four 130 is connected to a fourth pressing plate 128. The fourth pressing plate 128 is hingedly installed on the first seat plate 123. A second U-shaped limiting block 90 is provided on the first seat plate 123. The end of the fourth pressing plate 128 cooperates with the fourth positioning plate 125 on the first seat plate 123 to clamp the left bent pipe 208. A U-shaped groove for accommodating the left bent pipe 208 is provided on the fourth positioning plate 125.

[0094] The second pipe positioning member 9 and the fourth high member positioning member 14 cooperate to clamp the right bent pipe 213 of the main frame assembly 200; a second front connecting plate 221 is provided on the right bent pipe 213. The second pipe positioning member 9 is used to clamp the second front connecting plate 221 on the right bent pipe 213.

[0095] The structure of the second pipe positioning member 9 is the same as that of the first pipe positioning member 8. The clamping methods of the right bent pipe 213 and the second front connecting plate 221 on the right bent pipe 213 are the same as the positioning methods of the left bent pipe 208 and the first front connecting plate 209 on the left bent pipe 208 respectively, and will not be elaborated here.

[0096] The vertical pipe positioning member 16 is used to press the rear bracket 201 of the main frame assembly 200.

[0097] Specifically, referring to Figure 12As shown, a pressing plate six 140 is mounted on the L-shaped angle seat three 134 of the riser pipe positioning 16 through a stud 141. A nut 142 is installed at the end of the stud 141 passing through the pressing plate six 140. The pressing plate six 140 is used to press the horizontal pipe 222 on the rear bracket 201, and the nut 142 of the riser pipe positioning 16 locks the pressing plate six 140. The two horizontal pipes 222 on the rear bracket 201 are forced to have reverse deformation through the nut 142 and the pressing plate six 140. Through this reverse deformation measure, the flatness of each pipe after welding can be ensured, and the welding quality can be improved.

[0098] The using process of the present utility model is as follows:

[0099] First, operate the gas circuit system 19 to loosen all pneumatic positioning and clamping devices, and remove all detachable positioning pin shafts and positioning sleeves from the tooling. Then, according to the model of the main frame to be welded, operate the pallet one 23 of the lower slide table device of the front-end positioning 2. When welding one type of main frame assembly 200, move the pallet one 23 to insert the limit pin one 35 into the outer limit hole two 38 to limit the position of the pallet one 23; when welding another type of main frame assembly 200, move the pallet one 23 in the reverse direction to insert the limit pin one 35 into the limit hole one 36 to limit the position of the pallet one 23. By moving the position of the pallet one 23, the main frame assemblies 200 of different models can share this welding tooling, realizing the generalization of the tooling, improving the utilization rate, and reducing the processing cost.

[0100] Then, operate the gas circuit system 19 to push the positioning plate one 51 of the rear left positioning 4 into place. Here, "pushing into place" means pushing the positioning plate one 51 to the required position. The main frame 21 is initially positioned by the end rough positioning 3. Then, place the first longitudinal pipe 219 of the main frame 212 on the cushion plate 47, the first backing plate 49 of the rear left positioning 4 and the left pipe positioning 25 of the front-end positioning 2, and place the second longitudinal pipe 220 of the main frame 212 on the cushion plate 47, the first backing plate 49 of the rear right positioning 5 and the positioning plate of the left pipe positioning 25. Then, operate the gas circuit system 19 to push the positioning plate one 51 of the rear right positioning 5 into place, and clamp the left and right directions with the cushion plate 47.

[0101] Insert both ends of the pin shaft 98 of the sleeve positioning two 10 into the positioning sleeve one 211 to simultaneously fix the front and rear positions of the main frame 212;

[0102] Insert both ends of the positioning shaft two 34 of the front-end positioning 2 into the holes of the positioning sleeve two 216 to position the positioning sleeve two 216;

[0103] Operate the gas circuit system 19 to push the support column two 156 of the middle positioning 28 of the front-end positioning 2 into place, and fix the lifting seat 217 with the four positioning blocks four 115 and the fifth backing plate 157 of the middle positioning 28;

[0104] Insert both ends of the positioning shaft 1 of the front-end positioning 2 into the positioning sleeve 3218.

[0105] Operate the pneumatic circuit system 19 to extend the positioning pin 1 of the face positioning 1 6 and the positioning pins of the face positioning 2 7 in place. Insert the positioning pin 1 of the face positioning 1 6 into the hole of the left fixed seat 207. Fix one of the backing plates 3100 of the second positioning plate 69 of the face positioning 1 6 and the sleeve positioning 2 10 to the side of the left fixed seat 207 and hold it with the magnet 102. The upper and lower positions on the other side of the left fixed seat 207 are supported by the second longitudinal pipe 220 of the main frame 212.

[0106] Insert the positioning pin of the face positioning 2 7 into the hole of the right fixed seat 214. Fix the side of the right fixed seat 214 with the positioning plate of the face positioning 2 7 and the left backing plate 3100 of the sleeve positioning 2 10 and hold it with another magnet 102. The upper and lower positions on the other side of the right fixed seat 214 are supported by the first longitudinal pipe 219 of the main frame 212.

[0107] Insert the pin 1 of the high-component positioning 1 11 and the pin 2 of the high-component positioning 2 12 into two holes of the rear bracket 201 to fix the front-back and left-right positions of the rear bracket 201. Support the pipes of the rear bracket 201 with the positioning block 4 115 of the high-component positioning 1 11, the positioning block 5 of the high-component positioning 2 12, the positioning block 4 115 of the high-component positioning 3 13, and the positioning block 6 of the high-component positioning 4 14 to limit its upper and lower positions.

[0108] Operate the pneumatic circuit system 19 to push the sixth positioning plate 144 of the riser positioning 16 in place and the seventh positioning plate 148 of the first plate positioning 17 in place. Support with two pipe positionings 15 under two front vertical beams 203. Fix the front-back positions of the two front vertical beams 203 with the sixth positioning plate 144 of the riser positioning 16 and the pipe positioning plate 150 of the first plate positioning 17 respectively. The left-right positions of the front vertical beams 203 are fixed by the first longitudinal pipe 219, the second longitudinal pipe 220 of the main frame 212, and the two longitudinal pipes of the rear bracket 201.

[0109] Then position the cross beam 206 with the two cushion plates 47 of the rear left positioning 4, the two cushion plates of the rear right positioning 5, and the end positioning plate.

[0110] Then put the left vertical plate 204 and the right vertical plate 215 on the tooling, supported by the longitudinal tube 1 219 and the longitudinal tube 2 220 of the main frame 212, and fixed their upper left and right positions by the two longitudinal tubes of the rear bracket 201, and then operate the air circuit system 19 to push the positioning plate of the plate positioning 2 18 into place, use the pad 4 151 of the plate positioning 1 17 to fix the left and right positions of the lower part of the left vertical plate 204, use the pad 18 of the plate positioning 2 to fix the left and right positions of the lower part of the right vertical plate 215, fix the front and rear positions of the left vertical plate 204 and the right vertical plate 215 by the cross beam 206, and use the positioning template 3 22 to fix the four holes on the left vertical plate 204 and the right vertical plate 215.

[0111] Use two positioning pins 3 84 of the pipe positioning 1 8 to position the front connecting plate 1 209, and use two positioning pins of the pipe positioning 2 9 to fix the front connecting plate 2 221;

[0112] The left curved pipe 208 is fixed by the positioning plate three 86 of the pipe positioning one 8, the positioning plate four 125 of the high piece positioning three 13 and the front connecting plate one 209.

[0113] Fix the right curved pipe 213 with the positioning plate 3 86 of the pipe positioning 2 9, the positioning plate 4 125 of the high piece positioning 4 14 and the front connecting plate 221, and then clamp all the manual clamping and pneumatic clamping.

[0114] The pressure plate 140 of the vertical pipe positioning 16 is placed on the tooling to press the two horizontal pipes 222 of the rear bracket 201, and the nuts 142 of the vertical pipe positioning 16 are tightened to force the two horizontal pipes 222 of the rear bracket 201 to deform in reverse to avoid sliding. This is an anti-deformation measure, and the flatness of each pipe after welding is better to ensure the welding quality.

[0115] Reference Figure 14 As shown, two bent pipe support plates 210 are put on, and the left and right bent pipes are self-positioned, and two connecting ribs 205 are put on, and the left and right bent pipes are self-positioned. At this point, all the parts to be welded are positioned and clamped, and all welds are welded. Then, all manual clamping and pneumatic positioning and clamping are released, and then the welded main frame assembly 200 is lifted out of the tooling, and then the unwelded welds are repaired. At this point, the tooling operation is completed.

[0116] The welding tool of the utility model can realize accurate positioning and clamping of the workpiece to be welded, ensure welding accuracy, improve welding efficiency, reduce operation difficulty, and can meet the welding requirements of main frame assemblies 200 of different models, thereby improving the versatility of the welding tool and reducing processing costs.

[0117] 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 tooling for the main frame assembly of a rice transplanter, characterized in that including front-end positioning (2), rear left positioning (4), rear right positioning (5), face positioning one (6), face positioning two (7), pipe positioning one (8), pipe positioning two (9), sleeve positioning two (10), high-component positioning one (11), high-component positioning two (12), high-component positioning three (13), high-component positioning four (14), support pipe positioning (15), vertical pipe positioning (16), plate positioning one (17), and plate positioning two (18); The front-end positioning (2) cooperates with the rear left positioning (4) to clamp the first longitudinal pipe (219) of the main frame (212), and the front-end positioning (2) cooperates with the rear right positioning (5) to clamp the second longitudinal pipe (220) of the main frame (212); The sleeve positioning two (10) is used to clamp the first positioning sleeve (211) of the main frame assembly (200); The front-end positioning (2) is used to clamp the second positioning sleeve (216), lifting seat (217), and third positioning sleeve (218) of the main frame assembly (200); The face positioning one (6) and the sleeve positioning two (10) cooperate to clamp the left fixed seat (207) of the main frame assembly (200); The face positioning two (7) is used to clamp the right fixed seat (214) of the main frame assembly (200); The high-component positioning one (11), the high-component positioning two (12), the high-component positioning three (13), and the high-component positioning four (14) cooperate to clamp the rear bracket (201); The support pipe positioning (15), the vertical pipe positioning (16), and the plate positioning one (17) cooperate to clamp the front vertical beam (203) of the main frame assembly (200); The rear left positioning (4) and the rear right positioning (5) cooperate to clamp the cross beam (206) of the main frame assembly (200); The plate positioning one (17) and the positioning template three (22) cooperate to clamp the right vertical plate (215) of the main frame assembly (200), and the plate positioning two (18) and the positioning template three (22) cooperate to clamp the left vertical plate (204) of the main frame assembly (200); The pipe positioning one (8) is used to clamp the first front connecting plate (209) of the main frame assembly (200), and the pipe positioning two (9) is used to clamp the second front connecting plate (221) of the main frame assembly (200); The pipe positioning one (8) and the high-component positioning three (13) cooperate to clamp the left bent pipe (208) of the main frame assembly (200); The pipe positioning two (9) and the high-component positioning four (14) cooperate to clamp the right bent pipe (213) of the main frame assembly (200); The vertical pipe positioning (16) is used to clamp the rear bracket (201) of the main frame assembly (200).

2. The welding tooling for the main frame assembly of the rice transplanter according to claim 1, characterized in that, It further includes a bottom plate (1). The front-end positioning (2) includes a first support plate (23) and an interchangeable linear slide rail (32). The first support plate (23) is slidably mounted on the interchangeable linear slide rail (32), and the interchangeable linear slide rail (32) is mounted on the bottom plate (1). A first limit pin (35) is mounted on the first support plate (23), and a first limit hole (36) and a second limit hole (38) are mounted on the bottom plate (1). The first limit hole (36) and the second limit hole (38) are located on one side of the first support plate (23), and the first limit pin (35) is inserted into the first limit hole (36) or the second limit hole (38).

3. The welding tooling for the main frame assembly of the rice transplanter according to claim 1 or 2, characterized in that The front-end positioning (2) further includes a right pipe positioning (24) and a left pipe positioning (25). The structures of the rear right positioning (5) and the rear left positioning (4) are the same. The rear left positioning (4) includes a cushion plate (47) and a first cushion block (49). The first longitudinal pipe (219) is placed on the cushion plate (47) and the first cushion block (49) of the left pipe positioning (25) and the rear left positioning (4), and the second longitudinal pipe (220) is placed on the cushion plate (47) and the first cushion block (49) of the right pipe positioning (24) and the rear right positioning (5). The cushion plate (47) clamps the first longitudinal pipe (219) and the second longitudinal pipe (220).

4. The welding tooling for the main frame assembly of the transplanter according to claim 3, characterized in that, The front-end positioning (2) includes two first support columns (26), a first positioning shaft (31), and a second positioning shaft (34). The two ends of the first positioning shaft (31) are mounted on the first support columns (26) through first support sleeves (39), and the two ends of the first positioning shaft (31) are used for insertion into the third positioning sleeve (218); the two ends of the second positioning shaft (34) are mounted on the first support columns (26) through second support sleeves (40), and the two ends of the second positioning shaft (34) are used for insertion into the second positioning sleeve (216).

5. The welding tooling for the main frame assembly of the rice transplanter according to claim 4, characterized in that, The front-end positioning (2) includes an intermediate positioning (28). The intermediate positioning (28) includes a fourth positioning block (115) and a fifth cushion block (157). The fourth positioning block (115) and the fifth cushion block (157) cooperate to clamp the lifting seat (217).

6. The welding tooling for the main frame assembly of the rice transplanter according to claim 1 or 2, characterized in that, The first face positioning (6) includes a first positioning pin (63) and a second positioning plate (69). The second sleeve positioning (10) includes two third cushion blocks (100), and a magnet (102) is mounted on each of the third cushion blocks (100). The first positioning pin (63) is used for insertion into the first positioning hole of the left fixed seat (207), the second positioning plate (69) cooperates with one of the third cushion blocks (100) to position the side surface of the left fixed seat (207), and the magnet (102) is used for adsorbing the left fixed seat (207); The second face positioning (7) includes a positioning pin and a positioning plate. The positioning pin is used for insertion into the second positioning hole of the right fixed seat (214), the positioning plate cooperates with the other third cushion block (100) to position the side surface of the right fixed seat (214), and the magnet (102) is used for adsorbing the right fixed seat (214).

7. The welding tooling for the main frame assembly of the rice transplanter according to claim 1, characterized in that, The high component locator one (11) includes a fourth locating block (115) and a first pin (117), the high component locator two (12) includes a second pin and a fifth locating block, the high component locator three (13) includes a fourth locating block (115), the high component locator four (14) includes a sixth locating block, and the first pin (117) and the second pin of the high component locator two (12) are used for being inserted into the holes of the rear bracket (201); the fourth locating block (115), the fifth locating block of the high component locator two (12), the fourth locating block (115) of the high component locator three (13), and the sixth locating block of the high component locator four (14) cooperate to clamp the rear bracket (201).

8. The welding tooling for the main frame assembly of the transplanter according to claim 1, characterized in that, The trustee locator (15) is used to support the front vertical beam (203), the riser locator (16) includes a sixth locating plate (144), the first plate locator (17) includes a pipe locating plate (150), and the sixth locating plate (144) and the pipe locating plate (150) cooperate to fix the front and rear positions of the front vertical beam (203).

9. The welding tooling for the main frame assembly of the rice transplanter according to claim 1, characterized in that, The fourth cushion plate (151) of the first plate locator (17) and the magnet (102) on the fourth cushion plate (151) are used to fix the left and right positions of the right vertical plate (215), the cushion plate of the second plate locator (18) and the magnet on the cushion plate are used to fix the left and right positions of the left vertical plate (204), and the third locating template (22) is used to fix the hole positions on the upper surfaces of the left vertical plate (204) and the right vertical plate (215).

10. The welding tooling for the main frame assembly of the transplanter according to claim 1, characterized in that, The clamping plate six (140) of the riser locator (16) presses the horizontal pipe (222) on the rear bracket (201), and the nut (142) of the riser locator (16) locks the clamping plate six (140).

Images