CN218926701U - Double-cutter mowing disc welding tool - Google Patents

Abstract

The utility model relates to a double-cutter mowing disc welding tool which comprises a workbench, a bottom plate, an adjustable pressing assembly, an adjustable fixing assembly, a transverse side pushing assembly, a pneumatic moving assembly, a fine adjustment fixing assembly, a pneumatic pressing assembly, an expansion linkage pressing assembly and an air valve.

Description

Double-cutter mowing disc welding tool

Technical Field

The utility model relates to the field of welding tools, in particular to a double-cutter mowing disc welding tool.

Background

The welding tool for the planar rotary mowing disc is an important component process of the double-cutter disc, is a key process of the combination of the deck and the double-cutter disc accessory, and plays a role in connecting a body and a welding piece and maintaining the assembly flatness. At present, the welding fixture of the plane rotary mowing disc mainly comprises manual welding, manual scribing, manual spot welding and manual assembly welding are adopted in the existing double-cutter welding mode, the problems of high labor intensity and high welding quality fluctuation exist, on the other hand, the original welding fixture of the mowing disc is manually operated, local high temperature can be generated due to unstable manual operation during welding, after welding parts are welded, the double-cutter disc can generate certain deformation, once the deformation quantity is overlarge, the positions of corresponding positioning bolt holes on the double-cutter disc are offset, difficulty occurs during installation, positioning is not firm, bolts are subjected to adverse effects such as damage after additional shearing force, and the like.

Disclosure of Invention

The utility model aims to provide a double-blade mowing disc welding tool which comprises a workbench, a bottom plate, an adjustable pressing component, an adjustable fixing component, a transverse side pushing component, a pneumatic moving component, a fine adjustment fixing component, a pneumatic pressing component, an expansion linkage pressing component and an air valve, wherein the workbench is provided with a clamping plate;

the top of the bottom plate is provided with a double cutter disc, a group of first workpieces fixed by two adjustable fixing components on two sides, a group of second workpieces fixed by two adjustable fixing components in the middle, a group of third workpieces fixed by the transverse side pushing component, a fourth workpiece fixed by the fine adjustment fixing component and a fifth workpiece fixed by the pneumatic pressing component are required to be welded on the double cutter disc;

the bottom plate is welded or bolted on the workbench;

the adjustable compression assemblies are in a group and are symmetrically arranged on two sides of the bottom plate;

the two adjustable fixing assemblies in the middle have the same structure, the two adjustable fixing assemblies on the two sides have the same structure, and the two adjustable fixing assemblies on the two sides are arranged on the pneumatic moving assembly;

the movable assembly comprises a third cylinder, a cylinder seat, a bearing plate, protective covers, U-shaped plates and guide rails, wherein the cylinder seat is fixedly arranged on the bottom plate, the third cylinder is fixedly connected with the cylinder seat, the tail end of a third piston rod of the third cylinder is inserted into a groove formed in the bearing plate, the bearing plate is slidably arranged on two guide rails fixedly connected with the bottom plate, the top of each guide rail is provided with the protective cover fixedly connected with the bottom plate, and the two U-shaped plates are fixedly arranged on the bearing plate;

the fine adjustment fixing component is arranged on one U-shaped plate;

the pneumatic compression assembly comprises a stabilizing piece, and the stabilizing piece is fixed with one U-shaped plate.

Preferably, the adjustable compression assembly comprises a supporting seat, a connecting plate, a first connecting rod, a first handle, a second connecting rod, a head pressing rod and a third connecting rod, wherein the supporting seat is fixed with the bottom plate, the connecting plate is fixedly arranged at the top of the bottom plate, one end of the connecting plate is hinged with the second connecting rod, the third connecting rod is hinged at the middle position of the second connecting rod, the head pressing rod is fixedly connected with the tail end of the second connecting rod, the other end of the third connecting rod is hinged with the middle positions of the two first connecting rods, the bottom of the first connecting rod is hinged with the connecting plate, and the top of the first connecting rod is fixedly connected with the bottom of the first handle.

Preferably, the adjustable fixing component at least comprises a fixing piece, a back plate, a T-shaped block, a second handle, a movable rod, a pressing sleeve, nuts, a clamping head, a base, a positioning bolt and a clamping piece, wherein the base and the back plate are fixedly arranged on the fixing piece, the T-shaped block is fixedly arranged on the inwards sunken end face of the back plate, the outer end of the T-shaped block is hinged with the movable rod, the tail end of the movable rod is hinged with the middle position of the second handle, the tail end of the second handle is hinged with the pressing sleeve, the tail end of the pressing sleeve is hinged with the T-shaped block, one clamping piece is slidably arranged on two sides of the pressing sleeve, the positioning bolt penetrates through the two clamping pieces and the pressing sleeve, the two nuts screwed on the positioning bolt compress the clamping piece and the pressing sleeve, the clamping sleeve is arranged on the positioning bolt, the adjustable fixing components on two sides are different from the middle rectangular fixing components, more than the adjustable fixing components on the two sides are connected with the middle rectangular block, the two rectangular fixing components are fixedly connected with the two cylinder positioning pins, and the two cylinder fixing components are fixedly arranged on the two sides of the cylinder.

Preferably, the pneumatic moving assembly comprises a second cylinder, a fixing seat, a sliding table and a sliding rail, wherein the fixing seat is fixedly arranged on the bottom plate, one side of the fixing seat is provided with the sliding rail fixedly connected with the bottom plate, the other side of the fixing seat is fixedly provided with the second cylinder, the sliding table is arranged on the sliding rail in a sliding manner, the end part of a second piston rod of the second cylinder is clamped into a groove formed in the sliding table, and the top surface of the sliding table is fixedly provided with a fixing piece.

Preferably, the transverse side pushing assembly comprises a fixing plate, a placing plate, a third handle, an arc connecting rod, a guide block, a slide bar, a guide sleeve, a moving rod core drawing rod and a magnet sheet, wherein the bottom of the fixing plate is fixedly arranged on the bottom plate, the placing plate is fixedly arranged at the top of the bottom plate, the third handle is hinged on a support seat at the tail end of the placing plate, the arc connecting rod is hinged at the middle position of the third handle, the tail end of the arc connecting rod is hinged with the slide bar, the slide bar passes through the guide block fixedly connected with the placing plate, the end of the slide bar is fixedly provided with the moving rod which is in sliding connection with the guide sleeve, a positioning groove is formed in one side end face of the moving rod, two magnet sheets are embedded in the bottom of the positioning groove, a core drawing groove which is communicated with the moving rod is arranged on one side of the moving rod, and the core drawing rod is in sliding connection with the core drawing groove.

Preferably, the fine adjustment fixing assembly comprises a first L-shaped plate, a second L-shaped plate, a top plate, a positioning block and a placing piece, wherein the first L-shaped plate is fixed with one U-shaped plate, one end of the first L-shaped plate is fixedly provided with the second L-shaped plate, the second L-shaped plate is fixedly connected with the top plate, the bottom of the top plate is fixedly connected with the placing piece, and the positioning block is inserted into and penetrates through holes on two sides of the placing piece.

Preferably, the pneumatic compacting assembly comprises a fourth handle, a connecting rod, a fourth connecting rod, a pressing block, a base, a square block, a fourth cylinder, supporting legs and limiting pins, wherein the square block and the fourth connecting rod are respectively and fixedly connected with two sides of the stabilizing piece, one end of the fourth connecting rod is hinged with the connecting rod, the other end of the fourth connecting rod is hinged with the pressing block, the middle part of the fourth handle is hinged with the connecting rod, the tail end of the fourth handle is hinged with the pressing block, one end of the square block is fixedly connected with the fourth cylinder, the other end of the square block is fixedly connected with the base, the tail end of a piston rod of the fourth cylinder is fixedly connected with the limiting pins and penetrates through holes of the square block and the base, and the supporting legs are fixedly arranged at the bottom of the base.

Preferably, the expansion linkage compacting assembly comprises a compacting seat, a fifth cylinder, a prismatic shell, a lower supporting seat, clamping jaws, a top cover, a connector and a flange plate, wherein the compacting seat is fixedly connected with the bottom plate, the fifth cylinder fixedly connected with the bottom plate is arranged at the bottom of the compacting seat, the prismatic shell is fixedly connected with the top of the compacting seat, four sides of the prismatic shell are fixedly connected with the lower supporting seat, the top of the prismatic shell is fixedly connected with the flange plate, the top of a fifth piston rod of the fifth cylinder is fixedly connected with the connector, four clamping jaws are hinged on the connector, pin grooves are formed in the clamping jaws, and pins fixed on the flange plate penetrate through the pin grooves in the clamping jaws.

Preferably, a plurality of supporting blocks are fixedly arranged on the bottom plate.

In summary, the utility model has the following beneficial effects:

1. the accurate positioning technology is adopted, and the positions of the double cutterhead and the robot welding gun are accurately corresponding through various clamping mechanisms, so that the welding precision is improved.

2. Through carrying out effectual fixed to the spacer pin for the double-cutter head welding, then carry out welding process, guaranteed whole locating hole position and stable in size, can not produce big deformation

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first operating state of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second operating state of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a weld of an embodiment of the present utility model;

FIG. 5 is a schematic view of an adjustable compression assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic illustration of an adjustable compression assembly of an embodiment of the present utility model with a first link removed;

FIG. 7 is a schematic view of a first type of adjustable securing assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic illustration of a first type of adjustable securing assembly according to an embodiment of the present utility model with a clamping head removed;

FIG. 9 is a schematic view of a lateral side-pushing assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of a second type of adjustable securing assembly according to an embodiment of the present utility model;

FIG. 11 is a schematic view of a pneumatic moving assembly according to an embodiment of the present utility model;

FIG. 12 is a first schematic view of a moving assembly, a fine tuning fixture assembly and a pneumatic compacting assembly according to an embodiment of the present utility model;

FIG. 13 is a second schematic view of the moving assembly, the fine adjustment fixing assembly and the pneumatic compacting assembly according to the embodiment of the present utility model;

FIG. 14 is a schematic view of the exterior configuration of an expansion linkage compression assembly in accordance with an embodiment of the present utility model;

FIG. 15 is a schematic view of the internal structure of an expansion linkage compression assembly according to an embodiment of the present utility model;

fig. 16 is a schematic diagram showing the supporting block 111 according to the embodiment of the utility model.

In the figure: 1. a work table; 2. a bottom plate; 7. a reinforcement; 8. a lower cover; 9. a cross beam; 10. a first support module; 11. an air valve; 12. double cutterheads; 21. a first type of workpiece; 22. a second type of workpiece; 23. a third class of workpieces; 24. a fourth type of workpiece; 25. a fifth type of workpiece;

111. a support block;

an adjustable compression assembly; 31. a support base; 32. a connecting plate; 33. a first link; 34. a first handle; 35. a second link; 36. a press head rod; 37. a third link;

4. an adjustable fixing assembly; 46. a fixing member; 47. a back plate; 48. a positioning pin; 49. a T-shaped block; 411. a second handle; 412. a movable rod; 413. pressing the sleeve; 414. a nut; 415. a clamping head; 416. a base; 417. positioning bolts; 418. a clamping piece; 420. rectangular blocks; 421. a first cylinder; 423. a first piston rod; 424. and positioning columns.

5. A lateral side pushing assembly; 51. a fixing plate; 52. placing a plate; 53. a third handle;

54. an arc-shaped connecting rod; 55. a guide block; 56. a slide bar; 57. a guide sleeve; 58. a moving rod; 511. drawing the core rod; 512. a magnet piece;

6. a pneumatic movement assembly; 61. a second cylinder; 62. a fixing seat; 63. a second piston rod; 64. a sliding table; 65. a slide rail;

7. a moving assembly; 71. a third cylinder; 72. a cylinder block; 73. a third piston rod; 74. a bearing plate; 75. a protective cover; 76. a U-shaped plate; 77. a guide rail;

8. fine tuning the fixing component; 81. a first L-shaped plate; 82. a second L-shaped plate; 83. a top plate 84, a positioning block; 85. a placement member;

9. a pneumatic compacting assembly; 91. a stabilizing piece; 92. a fourth handle; 93. a connecting rod; 94. a fourth link; 95. pressing the blocks; 96. a base; 97. square blocks; 98. a fourth cylinder; 99. supporting feet; 901 a limiting pin;

10. an expansion linkage compression assembly; 101. a compressing seat; 102. a fifth cylinder; 103. a prismatic housing; 104. a lower support base; 105. a clamping jaw; 106. a top cover; 107. a fifth piston rod; 108. a connector; 109. and a flange plate.

Description of the embodiments

Referring to fig. 1, the embodiment discloses a double-blade mowing disc welding tool, which comprises a workbench 1, a bottom plate 2, an adjustable compressing assembly 3, an adjustable fixing assembly 4, a transverse side pushing assembly 5, a pneumatic moving assembly 6, a moving assembly 7, a fine adjusting fixing assembly 8, a pneumatic compressing assembly 9, an expansion linkage compressing assembly 10 and an air valve 11;

the base plate 2 is welded or bolted to the workbench 1.

The top of the bottom plate 2 is provided with a double cutter head 12. A set of first workpieces 21 fixed by the two adjustable fixing assemblies 4 on both sides, a set of second workpieces 22 fixed by the two adjustable fixing assemblies 4 in the middle, a set of third workpieces 23 fixed by the lateral pushing assembly 5, a fourth workpiece 24 fixed by the fine adjustment fixing assembly 8, and a fifth workpiece 25 fixed by the pneumatic pressing assembly 9 are required to be welded on the double cutterhead 12.

Referring to fig. 3, 5 and 6, the adjustable compression assembly 3 includes a support base 31, a connecting plate 32, a first connecting rod 33, a first handle 34, a second connecting rod 35, a pressing head rod 36 and a third connecting rod 37. The adjustable compression assemblies 3 are arranged on two sides of the bottom plate 2 in a group and symmetrically. The supporting seat 31 is fixed with the bottom plate 2, the top of the bottom plate 2 is fixedly provided with the connecting plate 32, and one end of the connecting plate 32 is hinged with the second connecting rod 35. The middle position of the second connecting rod 35 is hinged with the third connecting rod 37, and the tail end of the second connecting rod 35 is fixedly connected with the pressure head rod 36. The other end of the third connecting rod 37 is hinged with the middle position of the two first connecting rods 33. The bottom of the first connecting rod 33 is hinged to the connecting plate 32, and the top of the first connecting rod 33 is fixedly connected with the bottom of the first handle 34.

The first handle 34 is manually rotated to drive the first connecting rod 33 to rotate, the second connecting rod 35 is driven to rotate by the third connecting rod 37 when the first connecting rod 33 rotates, the pressing head rod 36 rotates along with the second connecting rod 35, and the double cutter head 12 can be pressed or loosened by the rotation of the pressing head rod 36.

Referring to fig. 2, 3, 7, 8 and 10, the two middle adjustable fixing assemblies 4 have the same structure, and the two adjustable fixing assemblies 4 on two sides have the same structure, wherein the adjustable fixing assembly 4 at least comprises a fixing member 46, a back plate 47, a T-shaped block 49, a second handle 411, a movable rod 412, a pressing sleeve 413, a nut 414, a clamping head 415, a base 416, a positioning bolt 417 and a clamping piece 418. The fixing member 46 is fixedly provided with the base 416 and the back plate 47. The T-shaped block 49 is fixedly provided on the recessed end surface of the back plate 47. The outer end of the T-shaped block 49 is hinged to the movable rod 412, and the tail end of the movable rod 412 is hinged to the middle position of the second handle 411. The end of the second handle 411 is hinged to the pressing sleeve 413, and the end of the pressing sleeve 413 is hinged to the T-block 49. The two sides of the pressing sleeve 413 are slidably provided with one clamping piece 418, the positioning bolt 417 penetrates through the two clamping pieces 418 and the pressing sleeve 413, the two nuts 414 screwed on the positioning bolt 417 are used for pressing the clamping pieces 418 and the pressing sleeve 413, and the clamping head 415 is sleeved on the positioning bolt 417. The adjustable fixing assembly 4 on both sides is different from the adjustable fixing assembly 4 in the middle in that two more rectangular blocks 420, two more first cylinders 421 and two fewer positioning pins 48 are provided than the positioning columns 424. In the middle of the adjustable fixing assembly 4, two positioning pins 48 are fixedly disposed on the back plate 47 at both sides of the positioning bolt 417. In the adjustable fixing assemblies 4 on both sides, the rectangular block 420 is fixedly connected with the back plate 47, the first cylinder 421 is fixedly connected with the rectangular block 420, and the end of the first piston rod 423 of the first cylinder 421 is fixedly connected with the positioning column 424.

In the adjustable fixing assemblies 4 on both sides, the second handle 411 is manually pulled to drive the pressing sleeve 413 to rotate, so that the first type workpiece 21 is manually placed on the base 416 to prop against, and the two positioning pins 48 pass through the holes of the first type workpiece 21. The second handle 411 is then manually pushed back to rotate the pressing sleeve 413, and the clamping head 415 can clamp the first type workpiece 21 after rotating. Manually rotating one of the nuts 414, loosening one of the clamping tabs 418, manually adjusts the position of the clamping head 415.

The second handles 411 are manually pulled in the middle two adjustable fixing assemblies 4 to drive the pressing sleeves 413 to rotate, the second type workpieces 22 are manually placed on the base 416 to prop against, the first air cylinders 421 are driven to work through the air valves 11, the first piston rods 423 extend out, and the positioning columns 424 are driven to be inserted. The second handle 411 is then manually pushed back to rotate the pressing sleeve 413, and the clamping head 415 can clamp the second type workpiece 21 after rotating. Manually rotating one of the nuts 414, loosening one of the clamping tabs 418, manually adjusts the position of the clamping head 415.

Referring to fig. 3, 8 and 11, two adjustable fixing assemblies 4 on two sides are mounted on the pneumatic moving assembly 6, and the pneumatic moving assembly 6 includes a second cylinder 61, a fixing seat 62, a sliding table 64 and a sliding rail 65. The fixed seat 62 is fixedly arranged on the bottom plate 2, one side of the fixed seat 62 is provided with a sliding rail 65 fixedly connected with the bottom plate 2, and the other side of the fixed seat 62 is fixedly provided with the second air cylinder 61. The sliding table 64 is slidably disposed on the sliding rail 65, and an end portion of the second piston rod 63 of the second cylinder 61 is clamped into a groove formed in the sliding table 64. The fixing member 46 is fixedly provided on the top surface of the slide table 64.

The second cylinder 61 is controlled by the air valve 11 to enable the second piston rod 63 to stretch and retract, so as to drive the sliding table 64 to move, and the movement of the sliding table 64 can drive the two adjustable fixing assemblies 4 on two sides to be close to or far away from the double cutterhead 12.

Referring to fig. 3 and 9, the lateral pushing assembly 5 includes a fixing plate 51, a placement plate 52, a third handle 53, an arc-shaped connecting rod 54, a guide block 55, a sliding bar 56, a guide sleeve 57, a moving rod 58, a core rod 511 and a magnet plate 512. The bottom of the fixed plate 51 is fixedly arranged on the bottom plate 2, the top of the bottom plate 2 is fixedly provided with the placing plate 52, the support at the tail end of the placing plate 52 is hinged with the third handle 53, the middle position of the third handle 53 is hinged with the arc-shaped connecting rod 54, the tail end of the arc-shaped connecting rod 54 is hinged with the sliding strip 56, and the sliding strip 56 penetrates through the guide block 55 fixedly connected with the placing plate 52. The end of the sliding bar 56 is fixedly provided with a moving bar 58 which is in sliding connection with the guide sleeve 57, one side end face of the moving bar 58 is provided with a positioning groove 59, two magnet sheets 512 are embedded at the bottom of the positioning groove 59, one side of the positioning groove is provided with a core pulling groove 513 penetrating through the moving bar 58, and the core pulling bar 511 is in sliding connection with the core pulling groove 513.

The third workpiece 23 is manually placed in the positioning groove 59, the third workpiece 23 is made of iron, and is attracted by the magnet plate 512, and the core pulling rod 511 is manually pushed, so that the third workpiece 23 is inserted into the hole to be positioned. After the positioning is completed, the third handle 53 is manually rotated, so that the arc-shaped connecting rod 54 rotates along with the third handle, and the sliding bar 56 is pushed to drive the moving bar 58 in the rotating process of the arc-shaped connecting rod 54, so that the third workpiece 23 is finally clung to the double cutterhead 12.

Referring to fig. 12 and 13, the moving assembly 7 includes a third cylinder 71, a cylinder block 72, a bearing plate 74, a protective cover 75, a U-shaped plate 76, and a guide rail 77. The cylinder block 72 is fixedly arranged on the bottom plate 2, the third cylinder 71 is fixed with the cylinder block 72, the tail end of a third piston rod 73 of the third cylinder 71 is inserted into a groove formed in the bearing plate 74, the bearing plate 74 is slidably arranged on two guide rails 77 fixedly connected with the bottom plate 2, the top of each guide rail 77 is provided with a protective cover 75 fixedly connected with the bottom plate 2, and two U-shaped plates 76 are fixedly arranged on the bearing plate 74.

The third cylinder 71 is controlled by the air valve 11, and the third piston rod 73 of the third cylinder 71 stretches and contracts to drive the bearing plate 74 to move.

Referring to fig. 12 and 13, the trim attachment assembly 8 is mounted to one of the U-shaped plates 76. The fine adjustment fixing assembly 8 includes a first L-shaped plate 81, a second L-shaped plate 82, a top plate 83, a positioning block 84, and a placement member 85. The first L-shaped plate 81 is fixed with one of the U-shaped plates 76, one end of the first L-shaped plate 81 is fixedly provided with the second L-shaped plate 82, the second L-shaped plate 82 is fixedly connected with the top plate 83, the bottom of the top plate 83 is fixedly connected with the placing piece 85, and the positioning block 84 is inserted into and penetrates through holes on two sides of the placing piece 85.

The positioning block 84 is manually pulled out, the fourth workpiece 24 is inserted into the groove of the placement piece 85, the holes of the fourth workpiece 24 are aligned with the holes on two sides of the placement piece 85, the positioning block 84 is reinserted, and the positioning block 84 passes through the holes of the fourth workpiece 24 and the placement piece 85 at the same time to finish positioning.

Referring to fig. 12 and 13, the pneumatic compression assembly 9 includes a stabilizing member 91, a fourth handle 92, a connecting rod 93, a fourth connecting rod 94, a pressing block 95, a base 96, a square block 97, a fourth cylinder 98, a supporting leg 99 and a limiting pin 901. The stabilizing piece 91 is fixed to one of the U-shaped plates 76, and the square block 97 and the fourth link 94 are respectively and fixedly connected to two sides of the stabilizing piece 91. One end of the fourth link 94 is hinged to the connecting rod 93, and the other end is hinged to the pressing block 95. The middle part of the fourth handle 92 is hinged with the connecting rod 93, and the tail end of the fourth handle 92 is hinged with the pressing block 95. One end of the square block 97 is fixedly connected with the fourth cylinder 98, the other end of the square block is fixedly connected with the base 96, the tail end of a piston rod of the fourth cylinder 98 is fixedly connected with the limiting pin 901 and penetrates through a hole of the square block 97 and the base 96, and the bottom of the base 96 is fixedly provided with the supporting foot 99.

The fifth workpiece 25 is manually placed on the supporting leg 99, and the piston rod of the fourth cylinder 98 is controlled to extend through the air valve 11, so that the limiting pin 901 passes through the hole of the fifth workpiece 25 to be positioned. The fourth handle 92 is manually pushed, and the pressing block 95 is pressed against the fifth workpiece 25 through the transmission of the connecting rod.

Referring to fig. 14 and 15, the expanding linkage compressing assembly 10 includes a compressing base 101, a fifth cylinder 102, a prismatic housing 103, a lower supporting base 104, a clamping jaw 105, a top cover 106, a connecting head 108 and a flange 109. The pressing seat 101 is fixedly connected with the bottom plate 2, and the bottom of the pressing seat 101 is provided with a fifth cylinder 102 fixedly connected with the bottom plate 2. The top of the pressing seat 101 is fixedly connected with the prism housing 103, and four sides of the prism housing 103 are fixedly connected with the lower supporting seat 104. The top of the prismatic housing 103 is fixedly connected with the flange 109, and the top of the fifth piston rod 107 of the fifth cylinder 102 is fixedly connected with the connector 108. Four clamping jaws 105 are hinged on the connector 108, pin grooves are formed in the clamping jaws 105, and pins fixed on the flange 109 penetrate through the pin grooves in the clamping jaws 105.

The fifth cylinder 102 is controlled and driven by the air valve 11 to control the expansion and contraction of the fifth piston rod 107, so as to drive the clamping jaw 105 to move, and the clamping jaw 105 clamps the edge of the hole of the double cutterhead 12 under the cooperation of the lower supporting seat 104.

Referring to fig. 16, a plurality of supporting blocks 111 are fixedly arranged on the bottom plate 2, and the supporting blocks 111 jointly support the bottom of the double cutterhead 12.

Firstly, all clamping assemblies are loosened, the double cutter disc 12 is placed on the bottom plate 2, two holes of the double cutter disc 12 are respectively penetrated by the two expansion linkage compacting assemblies 10, the double cutter disc 12 is supported by the supporting blocks 111, the fifth cylinder 102 can control the expansion of the fifth piston rod 107 after being controlled and driven by the air valve 11 so as to drive the clamping jaw 105 to move, the clamping jaw 105 is used for clamping the edges of the holes of the double cutter disc 12 under the cooperation of the lower supporting seat 104, then the first handle 34 is manually rotated so as to drive the first connecting rod 33 to rotate, the second connecting rod 35 can be driven to rotate by the third connecting rod 37 when the first connecting rod 33 rotates, the pressing head rod 36 rotates along with the second connecting rod 35, and the double cutter disc 12 is compacted by the rotation of the pressing head rod 36, so as to finish the positioning of the double cutter disc 12;

the positioning block 84 is manually pulled out, the fourth workpiece 24 is inserted into the groove of the placement piece 85, the holes of the fourth workpiece 24 are aligned with the holes on two sides of the placement piece 85, the positioning block 84 is reinserted, the positioning block 84 passes through the holes of the fourth workpiece 24 and the placement piece 85 at the same time to finish positioning, the fifth workpiece 25 is manually placed on the supporting foot 99, the piston rod of the fourth cylinder 98 is controlled to extend through the air valve 11, and the limiting pin 901 passes through the holes of the fifth workpiece 25 to perform positioning. The fourth handle 92 is manually pushed, the pressing block 95 is pressed against the fifth type workpiece 25 through the transmission of the connecting rod, the third cylinder 71 is controlled by the air valve 11, and the third piston rod 73 of the third cylinder 71 stretches and contracts to drive the bearing plate 74 to move, so that the fifth type workpiece 25 and the fourth type workpiece 24 can be attached to the appointed position of the double cutter head 12;

in the adjustable fixing assemblies 4 on both sides, the second handle 411 is manually pulled to drive the pressing sleeve 413 to rotate, so that the first type workpiece 21 is manually placed on the base 416 to prop against, and the two positioning pins 48 pass through the holes of the first type workpiece 21. The second handle 411 is then manually pushed back to rotate the pressing sleeve 413, and the clamping head 415 can clamp the first type workpiece 21 after rotating. Manually rotating one of the nuts 414 to loosen one of the clamping pieces 418, and manually adjusting the position of the clamping head 415, wherein the second cylinder 61 is controlled by the air valve 11 to enable the second piston rod 63 to stretch and retract, so as to drive the sliding table 64 to move, and the movement of the sliding table 64 can drive the two first workpieces 21 on two sides to cling to the double cutterhead 12;

the second handles 411 are manually pulled in the middle two adjustable fixing assemblies 4 to drive the pressing sleeves 413 to rotate, the second type workpieces 22 are manually placed on the base 416 to prop against, the first air cylinders 421 are driven to work through the air valves 11, the first piston rods 423 extend out, and the positioning columns 424 are driven to be inserted. The second handle 411 is then manually pushed back to rotate the pressing sleeve 413, and the clamping head 415 can clamp the second type workpiece 21 after rotating. Manually rotating one of the nuts 414, loosening one of the clamping pieces 418, and manually adjusting the position of the clamping head 415 to finally bring the two second-type workpieces 22 into close contact with the cutterhead 12;

the third workpiece 23 is manually placed in the positioning groove 59, the third workpiece 23 is made of iron, and is attracted by the magnet plate 512, and the core pulling rod 511 is manually pushed, so that the third workpiece 23 is inserted into the hole to be positioned. After the positioning is completed, the third handle 53 is manually rotated, so that the arc-shaped connecting rod 54 rotates along with the third handle, and the sliding bar 56 is pushed to drive the moving bar 58 in the rotating process of the arc-shaped connecting rod 54, so that the third type workpiece 23 is finally clung to the double cutterhead 12;

and after all clamping is finished, welding operation can be performed.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (9)

1. A double-cutter mowing disc welding tool is characterized in that: the device comprises a workbench (1), a bottom plate (2), an adjustable compressing assembly (3), an adjustable fixing assembly (4), a transverse side pushing assembly (5), a pneumatic moving assembly (6), a moving assembly (7), a fine adjustment fixing assembly (8), a pneumatic compressing assembly (9), an expansion linkage compressing assembly (10) and an air valve (11);

the top of the bottom plate (2) is provided with a double cutter disc (12), a group of first workpieces (21) fixed by two adjustable fixing assemblies (4) on two sides, a group of second workpieces (22) fixed by two adjustable fixing assemblies (4) in the middle, a group of third workpieces (23) fixed by the transverse side pushing assembly (5), a fourth workpiece (24) fixed by the fine adjustment fixing assembly (8) and a fifth workpiece (25) fixed by the pneumatic pressing assembly (9) are required to be welded on the double cutter disc (12);

the workbench (1) is welded or connected with the bottom plate (2) through bolts;

the adjustable compression assemblies (3) are provided with a group and are symmetrically arranged on two sides of the bottom plate (2);

the two adjustable fixing assemblies (4) in the middle are identical in structure, the two adjustable fixing assemblies (4) on two sides are identical in structure, and the two adjustable fixing assemblies (4) on two sides are arranged on the pneumatic moving assembly (6);

the movable assembly (7) comprises a third air cylinder (71), an air cylinder seat (72), a bearing plate (74), a protective cover (75), U-shaped plates (76) and guide rails (77), wherein the air cylinder seat (72) is fixedly arranged on the bottom plate (2), the third air cylinder (71) is fixedly connected with the air cylinder seat (72), the tail end of a third piston rod (73) of the third air cylinder (71) is inserted into a groove formed in the bearing plate (74), the bearing plate (74) is slidably arranged on two guide rails (77) fixedly connected with the bottom plate (2), the top of each guide rail (77) is provided with the protective cover (75) fixedly connected with the bottom plate (2), and two U-shaped plates (76) are fixedly arranged on the bearing plate (74);

the fine adjustment fixing assembly (8) is arranged on one U-shaped plate (76);

the pneumatic pressing assembly (9) comprises a stabilizing piece (91), and the stabilizing piece (91) is fixed with one U-shaped plate (76).

2. The double-blade mowing disc welding fixture according to claim 1, wherein: the adjustable compression assembly (3) comprises a supporting seat (31), a connecting plate (32), a first connecting rod (33), a first handle (34), a second connecting rod (35), a pressure head rod (36) and a third connecting rod (37), wherein the supporting seat (31) is fixed with the bottom plate (2), the connecting plate (32) is fixedly arranged at the top of the bottom plate (2), one end of the connecting plate (32) is hinged with the second connecting rod (35), the third connecting rod (37) is hinged at the middle position of the second connecting rod (35), the pressure head rod (36) is fixedly connected with the tail end of the second connecting rod (35), the other end of the third connecting rod (37) is hinged with the middle positions of the two first connecting rods (33), the bottom of the first connecting rod (33) is hinged with the connecting plate (32), and the top of the first connecting rod (33) is fixedly connected with the bottom of the first handle (34).

3. The double-blade mowing disc welding fixture according to claim 1, wherein: the adjustable fixing component (4) at least comprises a fixing piece (46), a back plate (47), a T-shaped block (49), a second handle (411), a movable rod (412), a pressing sleeve (413), a nut (414), a clamping head (415), a base (416), a positioning bolt (417) and a clamping piece (418), wherein the base (416) and the back plate (47) are fixedly arranged on the fixing piece (46), the T-shaped block (49) is fixedly arranged on the inwards sunken end face of the back plate (47), the outer end of the T-shaped block (49) is hinged with the movable rod (412), the tail end of the movable rod (412) is hinged with the middle position of the second handle (411), the tail end of the second handle (411) is hinged with the pressing sleeve (413), one clamping piece (418) is slidably arranged on two sides of the pressing sleeve (413), the positioning bolt (417) penetrates through the two clamping pieces (418) to press the two clamping pieces (418) on the pressing sleeve (413), the two clamping bolts (417) are screwed with the two clamping pieces (413), the adjustable fixing components (4) on two sides are different from the adjustable fixing components (4) in the middle in that rectangular blocks (420), first air cylinders (421) and positioning columns (424) are omitted by two positioning pins (48), in the adjustable fixing components (4) in the middle, the two positioning pins (48) are fixedly arranged on back plates (47) on two sides of the positioning bolts (417), in the adjustable fixing components (4) on two sides, the rectangular blocks (420) are fixedly connected with the back plates (47), the first air cylinders (421) are fixedly connected with the rectangular blocks (420), and the tail ends of first piston rods (423) of the first air cylinders (421) are fixedly connected with the positioning columns (424).

4. A dual-blade mower reel welding fixture as recited in claim 3, wherein: the pneumatic moving assembly (6) comprises a second air cylinder (61), a fixing seat (62), a sliding table (64) and a sliding rail (65), wherein the fixing seat (62) is fixedly arranged on the bottom plate (2), one side of the fixing seat (62) is provided with the sliding rail (65) fixedly connected with the bottom plate (2), the other side of the fixing seat (62) is fixedly provided with the second air cylinder (61), the sliding table (64) is slidably arranged on the sliding rail (65), the end part of a second piston rod (63) of the second air cylinder (61) is clamped into a groove formed in the sliding table (64), and the fixing piece (46) is fixedly arranged on the top surface of the sliding table (64).

5. The double-blade mowing disc welding fixture according to claim 1, wherein: the transverse side pushing assembly (5) comprises a fixed plate (51), a placing plate (52), a third handle (53), an arc connecting rod (54), a guide block (55), a sliding bar (56), a guide sleeve (57), a moving rod (58) and a magnet sheet (512), wherein the bottom of the fixed plate (51) is fixedly arranged on the bottom plate (2), the top of the bottom plate (2) is fixedly provided with the placing plate (52), a support seat at the tail end of the placing plate (52) is hinged with the third handle (53), the middle position of the third handle (53) is hinged with the arc connecting rod (54), the tail end of the arc connecting rod (54) is hinged with the sliding bar (56), the sliding bar (56) passes through the guide block (55) fixedly connected with the placing plate (52), the moving rod (58) which is fixedly arranged at the tail end of the sliding bar (56) and is in sliding connection with the guide sleeve (57), a positioning groove (59) is formed in the end face of one side of the moving rod (58), the positioning groove (59) is hinged with the magnet sheet (512), the core pulling rod (511) is connected with the core pulling groove (513) in a sliding mode.

6. The double-blade mowing disc welding fixture according to claim 1, wherein: the fine adjustment fixing assembly (8) comprises a first L-shaped plate (81), a second L-shaped plate (82), a top plate (83), a positioning block (84) and a placing piece (85), wherein the first L-shaped plate (81) is fixed with one U-shaped plate (76), one end of the first L-shaped plate (81) is fixedly provided with the second L-shaped plate (82), the second L-shaped plate (82) is fixedly connected with the top plate (83), the bottom of the top plate (83) is fixedly connected with the placing piece (85), and the positioning block (84) is inserted into and penetrates through holes in two sides of the placing piece (85).

7. The double-blade mowing disc welding fixture according to claim 1, wherein: the pneumatic compression assembly (9) comprises a fourth handle (92), a connecting rod (93), a fourth connecting rod (94), a pressing block (95), a base (96), a square block (97), a fourth air cylinder (98), a supporting foot (99) and a limiting pin (901), wherein the square block (97) and the fourth connecting rod (94) are respectively fixedly connected with two sides of a stabilizing piece (91), one end of the fourth connecting rod (94) is hinged with the connecting rod (93), the other end of the fourth connecting rod is hinged with the pressing block (95), the middle part of the fourth handle (92) is hinged with the connecting rod (93), the tail end of the fourth handle (92) is hinged with the pressing block (95), one end of the square block (97) is fixedly connected with the fourth air cylinder (98), the other end of the square block is fixedly connected with the base (96), the tail end of a piston rod of the fourth air cylinder (98) is fixedly connected with the limiting pin (901) and penetrates through a hole of the square block (97) and the base (96), and the bottom of the base (96) is fixedly provided with the supporting foot (99).

8. The double-blade mowing disc welding fixture according to claim 1, wherein: expansion linkage compresses tightly subassembly (10) including compressing tightly seat (101), fifth cylinder (102), prism casing (103), lower supporting seat (104), clamping jaw (105), top cap (106), connector (108) and ring flange (109), compress tightly seat (101) with bottom plate (2) fixed connection compress tightly seat (101) bottom be equipped with bottom plate (2) fixed connection fifth cylinder (102) compress tightly seat (101) top fixed connection prism casing (103) the four sides of prism casing (103) all fixed connection lower supporting seat (104), prism casing (103) top fixed connection ring flange (109) fifth piston rod (107) top fixed connection of fifth cylinder (102) connector (108) articulated on connector (108) have four pin grooves in clamping jaw (105), the fixed pin on ring flange (109) passes pin grooves in clamping jaw (105).

9. The double-blade mowing disc welding fixture according to claim 1, wherein: a plurality of supporting blocks (111) are fixedly arranged on the bottom plate (2).

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