Harvester bottom plate support welding tool

Abstract

The invention relates to the technical field of welding tools, in particular to a harvester bottom plate support welding tool which comprises a base plate, a pneumatic assembly, a pin shaft positioning assembly, a manual pressing assembly, a pneumatic pressing assembly and a movable positioning assembly are arranged on the base plate, and the pin shaft positioning assembly and the pneumatic pressing assembly are both pneumatically connected with the pneumatic assembly; the pin shaft positioning assembly is used for positioning and clamping a plate piece or a beam piece of the harvester bottom plate support, and through holes are formed in the plate piece and the beam piece. The manual pressing assembly is used for positioning and / or clamping a beam piece; the pneumatic pressing assembly is used for positioning and clamping a plate piece and / or a beam piece; and the movable positioning assembly is used for positioning and clamping the end part of a plate or a beam. Accurate positioning and clamping of all parts to be welded are guaranteed, and the welding quality of the bottom plate support is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of welding tooling, and in particular to a welding tooling for a harvester bottom plate bracket. Background Art

[0002] The harvester bottom plate bracket is the structure that supports the entire harvester cab and is an important component to ensure the driver's safety. The current production uses simple welding tooling, and the positioning holes are positioned using pins, which cannot be adjusted. The operation is inconvenient, the positioning accuracy is not high, and the product quality cannot be guaranteed. Summary of the invention

[0003] In order to solve the above-mentioned technical problems existing in the prior art, the present invention provides a harvester bottom plate bracket welding tool.

[0004] The technical solution of the present invention to solve the above technical problems is as follows:

[0005] The object of the present invention is to provide a welding tool for a harvester bottom plate bracket, comprising a base plate, on which a pneumatic component, a pin positioning component, a manual clamping component, a pneumatic clamping component, and a movable positioning component are provided, wherein the pin positioning component and the pneumatic clamping component are pneumatically connected to the pneumatic component; the pin positioning component is used to position and clamp the plate or beam of the harvester bottom plate bracket, and through holes are provided on the plate and the beam; the manual clamping component is used to position and / or clamp the beam; the pneumatic clamping component is used to position and clamp the plate and / or beam; the movable positioning component is used to position and clamp the end of the plate or beam.

[0006] On the basis of the above technical solution, the present invention can also make the following improvements:

[0007] Furthermore, the pin shaft positioning assembly is provided with multiple groups, which are respectively used to position and clamp vertical plate two and vertical plate three, vertical beam three, shaft seat plate, and support plate; each group of the pin shaft positioning assembly includes a connected primary positioning mechanism one and a secondary positioning mechanism one, the primary positioning mechanism one is used for vertical positioning, and the secondary positioning mechanism one is used for horizontal positioning.

[0008] Furthermore, the secondary positioning mechanism 1 includes a connected three-axis cylinder 1 and a pressure block 1, a through hole is opened on the pressure block 1, and a pin shaft 1 is installed in the through hole; the primary positioning mechanism 1 includes a connected base weld 1 and a backing plate 1, a connecting block 1 and a cylinder seat weld 1 are provided on the backing plate 1, the connecting block 1 and the cylinder seat weld 1 are arranged at intervals, a pressure block 2 is provided on the connecting block 1 and the cylinder seat weld 1, that is, one end of the pressure block 2 is connected to the connecting block 1, and the other end is connected to the cylinder seat weld 1, and a spring washer 1 and a fastening screw 1 are provided on the pressure block 2; the cylinder seat weld 1 is connected to the three-axis cylinder 1.

[0009] Furthermore, the manual clamping assembly includes a bracket weld 1 and a bracket weld 2, the bracket weld 1 is provided with a connected clamp and a clamping arm 1, the clamping arm 1 is hinged to the bracket weld 1, the clamping arm 1 is provided with at least one positioning block 1, the bracket weld 2 is provided with at least one positioning block 2, and the positioning block 1 and the positioning block 2 are used to position the clamping beam.

[0010] Furthermore, there are two positioning blocks 1, which are arranged orthogonally, and there are two positioning blocks 2, which are arranged orthogonally. The two positioning blocks 1 and the positioning block 2 are used to position and clamp the rear beam, and the rear beam has a square structure.

[0011] Furthermore, there is one positioning block 1, and two positioning blocks 2 are provided, and the two positioning blocks 2 are arranged orthogonally. The positioning block 1 and the two positioning blocks 2 are used to position and clamp the support beam or the vertical beam, and the support beam and the vertical beam are in an L-shaped structure.

[0012] Furthermore, the pneumatic clamping assembly includes a primary positioning mechanism 2 and a secondary positioning mechanism 2, the primary positioning mechanism includes at least one positioning block 4, the secondary positioning mechanism 2 includes at least one positioning block 3, and the pneumatic assembly controls the positioning block 3 to move closer to or away from the positioning block 4.

[0013] Furthermore, the first positioning mechanism 2 also includes a cylinder seat weld 2, a connecting piece 1, a rotating connecting plate 1, a fastening pin 1, and a vertical plate 1. The connecting piece 1 is fixed to the cylinder seat weld 2, and the positioning block 4 is arranged on the vertical plate 1; one end of the rotating connecting plate 1 is connected to the vertical plate 1, and the other end is connected to the connecting piece 1. The rotating connecting plate 1 is connected to the vertical plate 1 and the connecting piece 1 through a fastening pin 1; the second positioning mechanism 2 also includes a clamping cylinder 1 and a pressure arm 2. The output shaft of the clamping cylinder 1 is hinged to the pressure arm 2. The positioning block 3 is arranged on the pressure arm 2. The clamping cylinder 1 and the pressure arm 2 are both connected to the connecting piece 1.

[0014] Furthermore, the first positioning mechanism 2 also includes a cylinder seat weld 2, a connecting piece 1, a connecting piece 2 and a positioning block 5, the connecting piece 1 and the connecting piece 2 are fixed on the cylinder seat weld 2, the positioning block 4 is arranged on the connecting piece 1, and the positioning block 5 is arranged on the connecting piece 2; the secondary positioning mechanism 2 also includes a clamping cylinder 1, a pressure arm 2 and a positioning block 6, the output shaft of the clamping cylinder 1 is hinged to the pressure arm 2, the positioning block 3 and the positioning block 6 are both arranged on the pressure arm 2, and the clamping cylinder 1 and the pressure arm 2 are both connected to the connecting piece 1; the pneumatic assembly controls the operation of the clamping cylinder 1, the positioning block 4 includes a first end and a second end, the first ends of the positioning block 3 and the positioning block 4 are used for positioning and clamping the front beam, the second ends of the positioning blocks 5, the positioning blocks 6 and the positioning block 4 are used for positioning and clamping the vertical beam 1 or the vertical plate 1, and the vertical beam 1 or the vertical plate 1 is an L-shaped structure.

[0015] Furthermore, the movable positioning assembly includes a positioning block seven, a support weld one, a connecting piece four, a stopper one, an adjustment gasket one, a cotter pin one, and a rotating shaft two. The connecting piece four is fixed on the support weld one, and the connecting piece four is provided with a groove. The stopper one is connected to the groove through the rotating shaft two, and the cotter pin one is provided at the end of the rotating shaft two. The stopper one extends out of the groove, and the positioning block seven is provided at one end of the stopper one away from the groove, and the adjustment gasket one is provided between the positioning block seven and the stopper one.

[0016] Compared with the prior art, the present invention has the following technical effects:

[0017] The harvester bottom plate bracket welding tool provided by the present invention adopts a combination of pneumatic and manual clamping, which is easy to operate. The profile is accurately positioned by adjusting the gasket through the limit block, and the hole-type parts are accurately positioned by locking the positioning shaft, so as to complete the positioning of the parts on the entire bottom plate bracket and ensure the quality of the bottom plate bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a harvester bottom plate support welding tooling according to an embodiment of the present invention is shown;

[0019] Figure 2 A schematic diagram showing the structure of the pin shaft positioning assembly four is shown;

[0020] Figure 3 A structural schematic diagram showing a manual pressing component 1;

[0021] Figure 4 A schematic diagram showing the structure of a manual pressing component three is shown;

[0022] Figure 5 A schematic diagram showing the structure of a pneumatic clamping assembly 1 is shown;

[0023] Figure 6 A schematic diagram showing the structure of the pneumatic clamping assembly 2 is shown;

[0024] Figure 7 A schematic diagram showing the structure of an active positioning component 1;

[0025] Figure 8 A schematic diagram showing the structure of the support assembly 1 is shown;

[0026] Fig. 9 A schematic diagram showing the structure of the positioning seat assembly 2 is shown;

[0027] Fig.10 A schematic diagram showing the structure of a manual pressing assembly six is ​​shown;

[0028] Fig.11 A schematic diagram of the structure of a harvester bottom plate support is shown;

[0029] Fig.12 The application schematic diagram of the harvester bottom plate bracket welding tooling is shown.

[0030] Reference numerals:

[0031] 1. Base plate; 2. Pin positioning assembly 1; 3. Pin positioning assembly 2; 4. Pin positioning assembly 3; 5. Pin positioning assembly 4; 51. Three-axis cylinder 1; 52. Pressure block 1; 53. Pin 1; 54. Base welding 1; 55. Pad 1; 56. Pressure block 2; 561. Connecting block 1; 57. Spring washer 1; 58. Fastening screw 1; 59. Cylinder seat welding 1; 6. Pin positioning assembly 5; 7. Manual clamping assembly 1; 71. Bracket welding 1; 72. Bracket welding 2; 73. Clamp; 731. Handle; 732. Rotating shaft; 74. Pressure arm 1; 741. Bolt shaft; 75. Positioning block 1; 76. Positioning block 2; 8. Manual clamping assembly 2; 9. Manual clamping assembly 3; 10. Manual clamping assembly 4; 11. Manual clamping assembly 5; 12. Manual clamping assembly 6; 121. Manual clamp; 122. Pressure block 3; 123. Slider; 124. Slide slot welding; 125. Pressure plate; 126. Support welding 5; 13. Pneumatic clamping assembly 1; 131. Clamping cylinder 1; 132. Pressure arm 2; 133. Positioning block 3; 1332. Positioning block 6; 134. Positioning block 4; 1341. Positioning block 5; 135. Cylinder seat welding 2; 136. Fastening screw 2; 137. Spring washer 2; 138. Rotating connecting plate 1; 1381. Fastening pin 1; 1382. Vertical plate 1; 139. Connector 1; 1392. Connector 2; 1394. Pin 2 ;1395, rotating bolt;14, pneumatic clamping assembly 2;15, pneumatic clamping assembly 3;16, pneumatic clamping assembly 4;17, pneumatic clamping assembly 5;18, pneumatic clamping assembly 9;19, pneumatic clamping assembly 6;20, pneumatic clamping assembly 7;21, pneumatic clamping assembly 8;22, movable positioning assembly 1;221, positioning block 7;222, support welding 1;223, connecting piece 4;224, stopper 1;225, adjusting gasket 1;226, cotter pin 1;227, rotating shaft 2;228, fastening screw 3;229, spring washer 3;23, movable positioning assembly 2;24, movable positioning assembly 3;25, pneumatic assembly;26, support assembly 1;261, positioning block Eight; 262, connecting piece five; 263, support weld two; 264, rotating shaft three; 27, support assembly two; 28, support assembly three; 29, support seat assembly; 30, positioning seat assembly one; 31, positioning seat assembly two; 311, positioning block ten; 312, positioning block eleven; 313, support weld four; 314, connecting piece six; 315, rotating shaft four; 32, positioning seat assembly three; 101, front beam; 102, vertical beam one; 103, reinforcement plate; 104, rear beam; 105, vertical plate one; 106, vertical plate two; 107, vertical plate three; 108, middle beam; 110, long beam; 111, vertical beam three; 112, support beam; 113, shaft seat plate; 114, vertical beam two; 116, support plate. DETAILED DESCRIPTION

[0032] The following specific embodiments illustrate the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this invention are limited to this implementation. On the contrary, the purpose of introducing the invention in conjunction with the implementation is to cover other options or modifications that may extend based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0033] See also Figure 1 , Fig.11 , Fig.12 A welding tool for a harvester bottom plate bracket includes a base plate 1, on which a pneumatic component 25, a pin positioning component, a manual clamping component, a pneumatic clamping component, a movable positioning component, a support component, a support seat component, and a positioning seat component are provided; the pin positioning component and the pneumatic clamping component are both pneumatically connected to the pneumatic component 25; the pin positioning component is used to position and clamp the plate or beam of the harvester bottom plate bracket, and through holes are provided on the plate and the beam; the manual clamping component is used to position and clamp the beam; the pneumatic clamping component is used to position and clamp the plate and / or beam; the movable positioning component is used to position and clamp the end of the plate or beam.

[0034] There are five pin positioning assemblies, namely, pin positioning assembly 1 2, pin positioning assembly 2 3, pin positioning assembly 3 4, pin positioning assembly 4 5, and pin positioning assembly 5 6. Pin positioning assembly 1 2 is used to position and clamp vertical plate 2 106 and vertical plate 3 107, pin positioning assembly 2 3 and pin positioning assembly 3 4 jointly position shaft seat plate 113, pin positioning assembly 4 5 is used to position support plate 116, and pin positioning assembly 5 6 is used to position vertical beam 3 111. The five groups of pin positioning assemblies have the same structure, and pin positioning assembly 4 5 is taken as an example for explanation.

[0035] See also Figure 2The pin shaft positioning assembly 45 includes a connected primary positioning mechanism 1 and a secondary positioning mechanism 1, the secondary positioning mechanism includes a connected three-axis cylinder 151 and a pressure block 152, the pressure block 152 is provided with a through hole, a pin shaft 153 is installed in the through hole, the number of the through holes and the pin shaft 153 is several, the number of the through holes and the pin shaft 153 and the position on the pressure block 152 correspond to the number and position of the through holes on the support plate 116; the primary positioning mechanism includes a connected base welding 1 54 and a backing plate 55, the backing plate 55 is provided with a connecting block 561 and a cylinder seat weld 59, the connecting block 561 and the cylinder seat weld 59 are arranged at intervals, the connecting block 561 and the cylinder seat weld 59 are provided with a pressing block 2 56, that is, one end of the pressing block 2 56 is connected to the connecting block 561, and the other end is connected to the cylinder seat weld 59, and the pressing block 2 56 is provided with a spring washer 57 and a fastening screw 58; the cylinder seat weld 59 is connected to the three-axis cylinder 51.

[0036] When the pin shaft positioning assembly 24 5 is used to position the support plate 116, first, each pin shaft 53 is moved in the horizontal direction through the primary positioning mechanism 1 to achieve preliminary positioning. Specifically, the spring washer 57 and the fastening screw 58 are manually loosened, and the position of the cylinder seat welding joint 59 in the horizontal direction is adjusted to drive each pin shaft 53 to move in the horizontal direction. After the adjustment is completed, the spring washer 57 is tightened, and the fastening screw 58 is tightened to ensure that each pin shaft 53 does not move in the horizontal direction; then, each pin shaft 53 is moved in the vertical direction through the secondary positioning mechanism 1 to achieve final positioning. Specifically, the pneumatic assembly 25 is opened, and the pneumatic assembly 25 drives the three-axis cylinder 51 to move, and the three-axis cylinder 51 drives the pressure block 52 to move vertically, thereby achieving secondary positioning. After the positioning is completed, each pin shaft 53 is passed through the through hole on the support plate 116 and the through hole on the pressure block 52 in turn, that is, the positioning and clamping of the support plate 116 is achieved.

[0037] The structures and positioning and clamping processes of the pin positioning assembly 1 2 , pin positioning assembly 2 3 , pin positioning assembly 3 4 , and pin positioning assembly 5 6 are the same as those of the pin positioning assembly 4 5 , and will not be repeated here.

[0038] There are six manual clamping components, namely, manual clamping component 1 7, manual clamping component 2 8, manual clamping component 3 9, manual clamping component 4 10, manual clamping component 5 11, and manual clamping component 6 12, wherein manual clamping component 1 7, manual clamping component 2 8, manual clamping component 4 10, and manual clamping component 5 11 are all used for positioning and clamping the rear beam 104 of the bottom plate bracket of the harvester, and the rear beam 104 is a square structure, and manual clamping component 1 7, manual clamping component 2 8, manual clamping component 4 10, and manual clamping component 5 11 have the same structure, and manual clamping component 1 7 is taken as an example for explanation here.

[0039] See also Figure 3 The manual clamping assembly 7 includes a bracket weld 1 71 and a bracket weld 2 72. The bracket weld 2 72 is provided with two positioning blocks 2 76. The two positioning blocks 2 76 are arranged orthogonally. The two positioning blocks 2 76 are respectively used to position and clamp the two sides of the rear beam 104; the bracket weld 1 71 is provided with a connected clamp 73 and a pressure arm 1 74. One end of the pressure arm 1 74 close to the clamp 73 is hinged to the bracket weld 1 71. The handle 731 of the clamp 73 rotates along the rotation point to drive the pressure arm 1 74 to move, and the pressure Two positioning blocks 75 are provided at one end of the arm 74 away from the clamp 73, and the two positioning blocks 75 are arranged orthogonally. During the movement of the pressing arm 74, the two positioning blocks 75 are brought close to the two positioning blocks 76 away from them, and the rear beam 104 is placed on the two positioning blocks 76. The handle 731 of the clamp 73 is manually operated to make the two positioning blocks 75 approach and contact the other two side surfaces of the rear beam 104. The two positioning blocks 75 and the two positioning blocks 76 are arranged around the rear beam 104, thereby realizing the positioning and clamping of the rear beam 104.

[0040] The manual clamping component 2 8, manual clamping component 4 10, manual clamping component 5 11 have the same structure and positioning clamping process as the manual clamping component 1 7, which will not be repeated here. The manual clamping component 1 7, manual clamping component 2 8, manual clamping component 4 10, manual clamping component 5 11 are respectively used for positioning and clamping different positions of the rear beam 104, so as to ensure the positioning and clamping effect.

[0041] See also Figure 4The manual clamping assembly 3 9 is used to position and clamp the support beam 112 and the vertical beam 3 111. The manual clamping assembly 3 9 includes a bracket weld 1 71 and two bracket welds 2 72. Two positioning blocks 2 76 are provided on the two bracket welds 2 72. The two positioning blocks 2 76 provided on the same bracket weld 2 72 are arranged orthogonally; the bracket weld 1 71 is provided with a connected clamp 73 and a pressure arm 1 74. The pressure arm 1 74 is a T-shaped structure. The two arms of the pressure arm 1 74 are connected by a bolt shaft 741. There is a certain gap (0.5mm) between the bolt shaft 741 and the hole, so that a slight rotation can occur between the two arms, thereby ensuring the positioning clamp. Tighten; the pressing arm 74 includes three ends, namely a first end, a second end and a third end, the first end is hinged to the bracket weld 71, and the clamp 73 is arranged close to the first end; the second end and the third end are each provided with a positioning block 75, wherein the positioning block 75 of the second end and the two positioning blocks 76 on the bracket weld 72 are used to position and clamp the support beam 112, the positioning block 75 of the third end and the two positioning blocks 76 on the other bracket weld 72 are used to position and clamp the vertical beam 3 111, the support beam 112 and the vertical beam 3 111 are both L-shaped structures, and the positioning and clamping of the support beam 112 are described in detail here.

[0042] Specifically, the support beam 112 includes a horizontal member and a vertical member that are orthogonally connected to each other, and the support beam 112 is supported on two positioning blocks 76, that is, the two positioning blocks 76 on the bracket weld 72 are respectively abutted against the horizontal member and the vertical member, and the handle 731 of the manually operated clamp 73 rotates around the rotating shaft 732 to drive the pressing arm 74 to move, and the pressing arm 74 drives the positioning block 75 to approach the support beam 112, and the bottom surface of the positioning block 75 positions and clamps the horizontal member of the support beam 112, and the side wall of the positioning block 75 positions and clamps the vertical member of the support beam 112, thereby realizing the positioning and clamping of the support beam 112; in this process, the positioning and clamping of the vertical beam 111 is also realized at the same time, which will not be repeated here.

[0043] See also Fig.10The manual clamping component 6 12 is used to tighten the front beam 101. The manual clamping component 6 12 includes a support weld 5 126. The support weld 5 126 is provided with a slide weld 124, a slider 123, a pressure block 3 122, a manual clamp 121 and a pressure plate 125. The manual clamp 121 is connected to the pressure block 3 122 to drive the pressure block 3 122 to move. The slider 123 extends out of the slide weld 124 and is locked with the pressure block 3 122. The slider 123 can move in the slide weld 124. The slider 123 plays a role in further guiding the pressure block 3 122. The pressure plate 125 is arranged on the slide weld 124 to limit the upper and lower positions of the slider 123. The process of using the manual clamping component 6 12 to tighten the front beam 101 is: manually push the manual clamp 121, and the pressure block 3 122 contacts and tightens the front beam 101.

[0044] The pneumatic clamping assembly is provided with eight, namely, pneumatic clamping assembly one 13, pneumatic clamping assembly two 14, pneumatic clamping assembly three 15, pneumatic clamping assembly four 16, pneumatic clamping assembly five 17, pneumatic clamping assembly nine 18, pneumatic clamping assembly six 19, pneumatic clamping assembly seven 20, and pneumatic clamping assembly eight 21; the pneumatic clamping assembly one 13, pneumatic clamping assembly two 14, pneumatic clamping assembly three 15, and pneumatic clamping assembly four 16 are used for positioning and clamping the front beam 101. At different positions, the pneumatic clamping component 2 14 simultaneously positions and clamps the front beam 101 and the vertical beam 102, the pneumatic clamping component 3 15 simultaneously positions and clamps the front beam 101 and the vertical plate 105, the pneumatic clamping component 6 19 and the pneumatic clamping component 8 21 are also used to position and clamp the vertical beam 102, the pneumatic clamping component 9 18 is used to position and clamp the reinforcing plate 103, and the pneumatic clamping component 5 17 and the pneumatic clamping component 7 20 are used to position and clamp the middle beam 108.

[0045] The pneumatic clamping component 13 and the pneumatic clamping component 4 16 have the same structure and operation process, and the pneumatic clamping component 13 is taken as an example for explanation.

[0046] See also Figure 5The pneumatic clamping assembly 13 includes a primary positioning mechanism 2 and a secondary positioning mechanism 2. The primary positioning mechanism 2 includes a cylinder seat weld 2 135, a connecting piece 139, a rotating connecting plate 138, a fastening pin 1381, a vertical plate 1382, a positioning block 4 134, and a positioning block 5 1341. The connecting piece 139 is fixed to the cylinder seat weld 2 135. One end of the rotating connecting plate 138 is connected to the vertical plate 1382, and the other end is connected to the connecting piece 139. The rotating connecting plate 138 is connected to the vertical plate 1382 and the connecting piece 139 through a fastening pin 1381. The positioning block 4 134 is arranged on the vertical plate 1382, and the positioning block 5 1341 is arranged on the connecting piece 1 139, the cylinder seat weld 2 135 includes a plurality of connecting plates, threaded holes are provided on the plurality of connecting plates, the plurality of connecting plates are threadedly connected by fastening screws 2 136, and a spring washer 2 137 is also provided between the fastening screws 2 136 and the cylinder seat weld 2 135; the secondary positioning mechanism 2 includes a clamping cylinder 131, a pressure arm 2 132, and two positioning blocks 3 133, the output shaft of the clamping cylinder 131 is hinged to the pressure arm 2 132, the two positioning blocks 3 133 are arranged on the pressure arm 2 132, and the two positioning blocks 3 133 are orthogonally arranged, the clamping cylinder 131 and the pressure arm 2 132 are both connected to the connecting piece 139, and the pneumatic component 25 controls the operation of the clamping cylinder 131.

[0047] The process of positioning and clamping the front beam 101 using the pneumatic clamping assembly 13 is as follows:

[0048] S1. Loosen the bolts of the positioning block 4 134 and the positioning block 3 133 on the opposite side, make the positioning block 4 134 and the positioning block 3 133 adapt to the front and rear positions of the front beam 101 by adding or removing gaskets, and then tighten the bolts, then loosen the bolts of the positioning block 5 1341 and the positioning block 3 133 on the opposite side, make the positioning block 5 1341 and the positioning block 3 133 adapt to the upper and lower positions of the front beam 101 by adding or removing gaskets, and then tighten the bolts;

[0049] S2, the pneumatic assembly 25 controls the operation of the clamping cylinder 131, and the output shaft of the clamping cylinder 131 operates, driving the pressure arm 2 132 to rotate around the rotating bolt 1395, thereby driving the two positioning blocks 3 133 connected thereto to move, and the two positioning blocks 3 133 are pressed on the front beam 101, and the two positioning blocks 3 133, the positioning block 4 134, and the positioning block 5 1341 realize the positioning and clamping of the front beam 101;

[0050] S2. When welding is completed and the product is taken upward, the positioning block 134 and the vertical plate 1382 rotate around the fastening pin 1381 under the support of the rotating connecting plate 138, and the positioning block 134 moves upward to release the positioning clamping of the front beam 101, so as to facilitate the lifting and removal of the product.

[0051] The positioning and clamping process of the pneumatic clamping assembly 416 on the front beam 101 is consistent with the above and will not be repeated here.

[0052] The pneumatic clamping assembly 2 14 and the pneumatic clamping assembly 3 15 have the same structure and operation process, and the pneumatic clamping assembly 2 14 is taken as an example for description.

[0053] See also Figure 6 The pneumatic clamping assembly 14 includes a primary positioning mechanism 2 and a secondary positioning mechanism 2. The primary positioning mechanism 2 includes a cylinder seat weld 2 135, a connecting piece 139, a connecting piece 2 1392, a positioning block 4 134 and a positioning block 5 1341. The connecting piece 139 and the connecting piece 2 1392 are fixed on the cylinder seat weld 2 135. The positioning block 4 134 is arranged on the connecting piece 1 139. The positioning block 5 1341 is arranged on the connecting piece 2 1392. The cylinder seat weld 2 135 includes a plurality of connecting plates, and threaded holes are provided on the plurality of connecting plates. The plurality of connecting plates are threadedly connected by fastening screws 2 136, and a spring washer 2 137 is also arranged between the fastening screws 2 136 and the cylinder seat weld 2 135. The secondary positioning Mechanism two includes a clamping cylinder one 131, a pressure arm two 132, a positioning block three 133, and a positioning block six 1332. The output shaft of the clamping cylinder one 131 is hinged to the pressure arm two 132. The positioning block three 133 and the positioning block six 1332 are both arranged on the pressure arm two 132. The clamping cylinder one 131 and the pressure arm two 132 are both connected to the connecting piece one 139. The pneumatic component 25 controls the operation of the clamping cylinder one 131. The positioning block four 134 includes a first end and a second end. The first ends of the positioning block three 133 and the positioning block four 134 are used to position and clamp the front beam 101. The second ends of the positioning block five 1341, the positioning block six 1332 and the positioning block four 134 are used to position and clamp the vertical beam one 102. The vertical beam one 102 is an L-shaped structure.

[0054] The process of positioning and clamping the front beam 101 and the vertical beam 102 by using the pneumatic clamping assembly 2 14 is as follows:

[0055] S1. Manually loosen the fastening screw 136 and the spring washer 137, adjust the vertical positions of the positioning block 134 and the positioning block 1341, so that the positioning block 134 corresponds to the positions of the front beam 101 and the vertical beam 102, the front beam 101 is supported by the first end of the positioning block 134, and the horizontal piece of the vertical beam 102 is supported by the second end of the positioning block 134, then tighten the spring washer 137, and tighten the fastening screw 136;

[0056] S2, manually loosen the bolts of the positioning block 5 1341, and make the positioning block 5 1341 correspond to the position of the vertical beam 102 by adding or removing the gaskets of the positioning block 5 1341, and then tighten the bolts, so that the vertical member of the vertical beam 102 rests on the positioning block 5 1341;

[0057] S3, the pneumatic component 25 controls the operation of the clamping cylinder 131, and the output shaft of the clamping cylinder 131 operates, driving the pressure arm 2 132 to rotate, and then driving the two positioning blocks 3 133 and the positioning block 6 1332 connected thereto to move, the two positioning blocks 3 133 are pressed on the front beam 101, the positioning block 6 1332 is pressed on the vertical beam 102, the two positioning blocks 3 133 and the first end of the positioning block 4 134 realize the positioning and clamping of the front beam 101, the positioning block 6 1332 and the second end of the positioning block 4 134 realize the positioning and clamping of the horizontal part of the vertical beam 102, and the positioning block 6 1332 and the positioning block 5 1341 realize the positioning and clamping of the vertical part of the vertical beam 102;

[0058] S4. After welding is completed, when the product is taken upward, the positioning block 5 1341 is manually adjusted to rotate around the pin shaft 2 1394, and the positioning block 5 1341 moves upward to release the positioning clamping of the vertical beam 102, so as to facilitate the lifting and removal of the product.

[0059] The positioning and clamping process of the pneumatic clamping assembly 4 16 on the front beam 101 and the vertical plate 1 105 is consistent with the above, and will not be repeated here.

[0060] There are three movable positioning components, namely, movable positioning component one 22, movable positioning component two 23, and movable positioning component three 24. The movable positioning component one 22 is used to locate and clamp the free end of the reinforcing plate 103, and the movable positioning component two 23 and movable positioning component three 24 are respectively used to locate and clamp the two free ends of the rear beam 104. The movable positioning component one 22, movable positioning component two 23, and movable positioning component three 24 have the same structure and action process, and the movable positioning component one 22 is taken as an example for explanation.

[0061] See also Figure 7The movable positioning assembly 22 includes a positioning block 721, a support weld 122, a connecting piece 423, a stopper 124, an adjusting washer 125, a cotter pin 126, a rotating shaft 227, a fastening screw 328, and a spring washer 329. The connecting piece 423 is fixed on the support weld 122. The connecting piece 423 is provided with a groove. The stopper 124 is connected to the groove through the rotating shaft 227. The end of the rotating shaft 227 is provided with the cotter pin 12 26, the stopper 224 extends out of the groove, and the positioning block 221 is arranged at one end of the stopper 224 away from the groove, and the adjusting gasket 225 is arranged between the positioning block 221 and the stopper 224; the support weld 222 includes a plurality of connecting plates, a plurality of connecting plates are provided with threaded holes, and the plurality of connecting plates are threadedly connected by fastening screws 228, and a spring washer 229 is also arranged between the fastening screws 228 and the support weld 222;

[0062] The process of using the movable positioning assembly 22 to position and support the free end of the reinforcing plate 103 is as follows:

[0063] S1, manually loosen the fastening screw 3 228 and the spring washer 3 229, adjust the vertical position of the positioning block 7 221 to correspond to the position of the reinforcing plate 103, then tighten the spring washer 3 229, and tighten the fastening screw 3 228;

[0064] S2, adjusting the stopper 1 224 to rotate along the rotation shaft 227, so that the positioning block 7 221 is aligned with the end of the reinforcing plate 103;

[0065] S3. According to the distance between the positioning block 221 and the end of the reinforcing plate 103 , the number of the adjusting gaskets 225 is increased or decreased to achieve positioning support of the positioning block 221 on the free end of the reinforcing plate 103 .

[0066] The movable positioning component 23 and the movable positioning component 3 24 have the same positioning and clamping process as the movable positioning component 1 22, which will not be repeated here.

[0067] The base plate 1 is also provided with three groups of support components, namely support component 1 26, support component 2 27, and support component 3 28. The support component 1 26 is used to position and support the free end of the middle beam 108, the support component 2 27 is used to position and support the free end of the long beam 110, and the support component 3 28 is used to position and support one end of the front beam 101. The support components 1 26, 27, and 3 28 have the same structure and action process, and the support component 1 26 is taken as an example for explanation here.

[0068] See also Figure 8The support assembly 26 includes a positioning block 8 261, a connecting piece 5 262, a support weld 2 263, and a rotating shaft 3 264. The connecting piece 5 262 is fixedly installed on the support weld 2 263. A groove is provided on the upper portion of the connecting piece 5 262. The positioning block 8 261 is connected to the groove through a rotating shaft 3 264. By adjusting the positioning block 8 261 to rotate around the rotating shaft 3 264, the positioning block 8 261 is aligned with the free end of the middle beam 108 to achieve positioning support for the middle beam 108.

[0069] The support base assembly 29 includes a support weld joint 3, on which three spaced positioning blocks 9 are provided, and the three positioning blocks 9 are used to support the middle beam 108.

[0070] The positioning seat assembly 1 30, the positioning seat assembly 2 31, and the positioning seat assembly 3 32 have the same or similar structures. The positioning seat assembly 1 30 is used to position and clamp the vertical plate 105, the positioning seat assembly 2 31 is used to position and clamp the vertical beam 2 114, and the positioning seat assembly 3 32 is used to position and clamp the long beam 110. Fig. 9 The positioning seat assembly 2 31 includes a positioning block 10 311, a positioning block 11 312, a support weld 4 313, a connecting piece 6 314, and a rotating shaft 4 315. The connecting piece 6 314 is fixedly installed on the support weld 4 313. A groove is provided on the upper part of the connecting piece 6 314. The positioning block 10 311 and the groove are connected through the rotating shaft 4 315. The positioning block 11 312 is provided on the support weld 4 313. The positioning block 10 311 and the positioning block 11 312 realize the positioning and clamping of the vertical beam 2 114.

[0071] The harvester bottom plate bracket welding tooling provided by the present invention opens air circuit one through the pneumatic component 25, and air circuit one controls the pin shaft positioning component to realize the positioning of the through hole, and then completes the positioning and clamping of the corresponding parts of the harvester bottom plate bracket through the manual clamping component, and then other profiles are placed according to the corresponding positions, and the air circuit two is opened through the pneumatic component 25, and the pneumatic clamping component completes the positioning and clamping of each profile. After all the positioning is completed, each connecting part is welded in turn. After all the welding is completed, the air circuit three is started through the pneumatic component 25 to open all the pressing arms, and the pin shaft of the through hole is withdrawn at the same time, and the welded harvester bottom plate bracket is lifted out of the tooling by a sling.

[0072] The harvester bottom plate bracket welding tool provided by the present invention is designed with manual clamping and pneumatic clamping mechanisms, which have high positioning accuracy and improve production efficiency; a flexible and quick-adjustable pin seat structure is adopted to ensure that the pin shaft cannot move in the horizontal direction; a movable positioning structure is adopted, and the limit block can rotate, which has great flexibility; it can ensure the stability of the quality of the welded products, and is convenient for taking and placing products, with great flexibility.

[0073] 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 principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding tool for a harvester bottom plate bracket, characterized in that: The invention comprises a base plate (1), on which a pneumatic assembly (25), a pin shaft positioning assembly, a manual clamping assembly, a pneumatic clamping assembly and a movable positioning assembly are arranged, wherein the pin shaft positioning assembly and the pneumatic clamping assembly are both pneumatically connected to the pneumatic assembly (25); the pin shaft positioning assembly is used for positioning and clamping a plate or beam of the base plate support of the harvester, wherein the plate and the beam are provided with through holes; the manual clamping assembly is used for positioning and / or clamping a beam; the pneumatic clamping assembly is used for positioning and clamping a plate and / or beam; and the movable positioning assembly is used for positioning and clamping the end of a plate or beam.

2. The harvester bottom plate support welding tool according to claim 1, characterized in that: The pin shaft positioning assembly is provided with a plurality of groups, which are respectively used to position and clamp vertical plate 2 (106) and vertical plate 3 (107), vertical beam 3 (111), shaft seat plate (113), and support plate (116); each group of the pin shaft positioning assembly includes a connected primary positioning mechanism 1 and a secondary positioning mechanism 1, wherein the primary positioning mechanism 1 is used for vertical positioning, and the secondary positioning mechanism 1 is used for horizontal positioning.

3. The harvester bottom plate support welding tool according to claim 2, characterized in that: The secondary positioning mechanism comprises a connected three-axis cylinder (51) and a pressure block (52), wherein the pressure block (52) is provided with a through hole, and a pin shaft (53) is installed in the through hole; the primary positioning mechanism comprises a connected base welded (54) and a backing plate (55), wherein the backing plate (55) is provided with a connecting block (561) and a cylinder seat welded (59), wherein the connecting block (561) and the cylinder seat welded The connection block 1 (561) and the cylinder seat welded joint 1 (59) are arranged at intervals, and a pressure block 2 (56) is arranged on the connection block 1 (561) and the cylinder seat welded joint 1 (59), that is, one end of the pressure block 2 (56) is connected to the connection block 1 (561), and the other end is connected to the cylinder seat welded joint 1 (59), and a spring washer 1 (57) and a fastening screw 1 (58) are arranged on the pressure block 2 (56); the cylinder seat welded joint 1 (59) is connected to the three-axis cylinder 1 (51).

4. The harvester bottom plate support welding tool according to claim 1, characterized in that: The manual clamping assembly comprises a bracket welded joint 1 (71) and a bracket welded joint 2 (72); the bracket welded joint 1 (71) is provided with a connected clamp (73) and a clamping arm 1 (74); the clamping arm 1 (74) is hinged to the bracket welded joint 1 (71); the clamping arm 1 (74) is provided with at least one positioning block 1 (75); the bracket welded joint 2 (72) is provided with at least one positioning block 2 (76); the positioning block 1 (75) and the positioning block 2 (76) are used to position the clamping beam.

5. The harvester bottom plate support welding tool according to claim 4, characterized in that: There are two positioning blocks (75) and the two positioning blocks (75) are arranged orthogonally. There are two positioning blocks (76) and the two positioning blocks (76) are arranged orthogonally. The two positioning blocks (75) and the two positioning blocks (76) are used to position and clamp the rear beam (104). The rear beam (104) has a square structure.

6. The harvester bottom plate support welding tool according to claim 4, characterized in that: The first positioning block (75) is provided with one, the second positioning block (76) is provided with two, the two second positioning blocks (76) are arranged orthogonally, the first positioning block (75) and the two second positioning blocks (76) are used to position and clamp the support beam (112) or the vertical beam, and the support beam (112) and the vertical beam are in an L-shaped structure.

7. The harvester bottom plate support welding tool according to claim 1, characterized in that: The pneumatic clamping assembly includes a primary positioning mechanism 2 and a secondary positioning mechanism 2, the primary positioning mechanism includes at least one positioning block 4 (134), the secondary positioning mechanism 2 includes at least one positioning block 3 (133), and the pneumatic assembly (25) controls the positioning block 3 (133) to approach or move away from the positioning block 4 (134).

8. The harvester bottom plate support welding tool according to claim 7, characterized in that: The one-time positioning mechanism 2 also includes a cylinder seat weld 2 (135), a connecting piece 1 (139), a rotating connecting plate 1 (138), a fastening pin 1 (1381), and a vertical plate 1 (1382). The connecting piece 1 (139) is fixed to the cylinder seat weld 2 (135), and the positioning block 4 (134) is arranged on the vertical plate 1 (1382); one end of the rotating connecting plate 1 (138) is connected to the vertical plate 1 (1382), and the other end is connected to the connecting piece 1 (139). The rotating connecting plate 1 (138) is connected to the vertical plate 1 (1382) and the connecting piece 1 (139) through a fastening pin 1 (1381); the secondary positioning mechanism 2 also includes a clamping cylinder 1 (131) and a pressing arm 2 (132), the output shaft of the clamping cylinder 1 (131) is hinged to the pressing arm 2 (132), the positioning block 3 (133) is arranged on the pressing arm 2 (132), and the clamping cylinder 1 (131) and the pressing arm 2 (132) are both connected to the connecting piece 1 (139).

9. The harvester bottom plate support welding tool according to claim 7, characterized in that: The first positioning mechanism 2 also includes a cylinder seat weld 2 (135), a connecting piece 1 (139), a connecting piece 2 (1392) and a positioning block 5 (1341), wherein the connecting piece 1 (139) and the connecting piece 2 (1392) are fixed on the cylinder seat weld 2 (135), the positioning block 4 (134) is arranged on the connecting piece 1 (139), and the positioning block 5 (1341) is arranged on the connecting piece 2 (1392); the second positioning mechanism 2 also includes a clamping cylinder 1 (131), a pressure arm 2 (132) and a positioning block 6 (1332), wherein the output shaft of the clamping cylinder 1 (131) is hinged to the pressure arm 2 (132), and the positioning blocks 3 (133), 134 and 134 are arranged on the connecting piece 2 (1392). Block six (1332) is arranged on the pressing arm two (132), the clamping cylinder one (131) and the pressing arm two (132) are connected to the connecting piece one (139); the pneumatic component (25) controls the operation of the clamping cylinder one (131), the positioning block four (134) includes a first end and a second end, the first ends of the positioning block three (133) and the positioning block four (134) are used to position and clamp the front beam (101), the second ends of the positioning block five (1341), the positioning block six (1332) and the positioning block four (134) are used to position and clamp the vertical beam one (102) or the vertical plate one (105), and the vertical beam one (102) or the vertical plate one (105) is an L-shaped structure.

10. The harvester bottom plate support welding tool according to claim 1, characterized in that: The movable positioning assembly comprises a positioning block seven (221), a support weld one (222), a connecting piece four (223), a stopper one (224), an adjustment gasket one (225), a cotter pin one (226), and a rotating shaft two (227); the connecting piece four (223) is fixed on the support weld one (222); the connecting piece four (223) is provided with a groove; the stopper one (224) and the groove are connected through the rotating shaft two (227); the cotter pin one (226) is provided at the end of the rotating shaft two (227); the stopper one (224) extends out of the groove; the positioning block seven (221) is provided at one end of the stopper one (224) away from the groove; the adjustment gasket one (225) is provided between the positioning block seven (221) and the stopper one (224).

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