Main arm tailor-welding device for log grapple

Abstract

The utility model discloses a log grapple main arm tailor-welding device, which relates to the field of tailor-welding clamps, and comprises a lower lug plate shaft penetrating mechanism, a bottom plate height support, a bottom plate left and right positioning block, a jacking mechanism, a pressing mechanism, a right end lug plate shaft penetrating mechanism, a left end shaft penetrating mechanism and a left end cover plate positioning turnover device, the lower lug plate shaft penetrating mechanism penetrates through shaft holes in the two ends of the lower lug plate to position the lower lug plate. The bottom plate height support is arranged on the tool platform to support the bottom plate, and the bottom plate left and right positioning blocks are arranged on the bottom plate height support and connected to the two ends of the bottom plate in a clamped mode to position the bottom plate. The pressing mechanism and the jacking mechanism are arranged on the two sides of the side plate; the right end lug plate shaft penetrating mechanism penetrates through the right lug plate shaft hole to position the right lug plate; the left end shaft penetrating mechanism penetrates through the shaft sleeve to position the shaft sleeve, and the left end cover plate positioning turnover device is clamped on the shaft sleeve to position the upper cover plate. According to the utility model, the product consistency guarantee capability is improved, the product quality risk is reduced, and the splicing point welding precision is improved.

Description

Technical Field

[0001] The utility model relates to the field of welding fixtures, in particular to a welding device for a main arm of a wood grabber. Background Art

[0002] The main arm of the wood grab is the main supporting part of the wood grab. The main arm of the wood grab connects the secondary arm and the main body. First, the hydraulic drive device is used to drive the recovery and extension of the secondary arm; second, the lifting and lowering of the secondary arm and the wood grab during work can be controlled to flexibly realize the transportation and delivery of different positions. The main arm of the wood grab is a metal welded structural part, which is composed of components such as the bottom plate, side plate, upper cover plate, lower ear plate and shaft sleeve. The welding tooling is to ensure the accurate positioning of the weldment, improve the welding accuracy and efficiency, and prevent welding deformation. Since most of the mainstream welding devices are dedicated to a single variety, the existing welding tooling cannot achieve multiple uses, and the replacement of different tooling takes a long time and the welding efficiency is low. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a welding device for the main arm of a wood grabber in view of the deficiencies of the above-mentioned prior art.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A welding device for the main arm of a wood grabber, the main arm of the wood grabber includes an upper cover plate, a side plate, a bottom plate and a lower ear plate connected in sequence from top to bottom, and also includes a shaft sleeve and a right ear plate, the shaft sleeve and the right ear plate are respectively connected to the two ends of the side plate, including a tooling platform, a lower ear plate through-axis mechanism, a bottom plate height support, bottom plate left and right positioning blocks, a tightening mechanism, a clamping mechanism, a right-end ear plate through-axis mechanism, a left-end through-axis mechanism and a left-end cover plate positioning and flipping device; shaft holes are opened at both ends of the lower ear plate, the lower ear plate through-axis mechanism is arranged on the tooling platform, and the lower ear plate is positioned by passing through the shaft holes at both ends of the lower ear plate; the bottom plate height support device The bottom plate is placed on a tooling platform to support the bottom plate, and the left and right positioning blocks of the bottom plate are arranged on the bottom plate height support, and are snap-connected to the two ends of the bottom plate to position the bottom plate; the clamping mechanism and the jacking mechanism are arranged on the tooling platform on both sides of the side plate; an axis hole is opened on the right ear plate, and the right-end ear plate axis-penetrating mechanism is arranged on the tooling platform, and passes through the axis hole of the right ear plate to position the right ear plate; the left-end axis-penetrating mechanism and the left-end cover plate positioning and flipping device are both arranged on the tooling platform, and the left-end axis-penetrating mechanism passes through the shaft sleeve to position the shaft sleeve, and the left-end cover plate positioning and flipping device is snap-connected to the shaft sleeve to position the upper cover plate.

[0006] The utility model can effectively position the various components of the wood grabber's main arm through the lower ear plate shaft-penetrating mechanism, the bottom plate height support, the bottom plate left and right positioning blocks, the jacking mechanism, the pressing mechanism, the right-end ear plate shaft-penetrating mechanism, the left-end shaft-penetrating mechanism and the left-end cover plate positioning and flipping device, thereby improving the ability to ensure product consistency, reducing product quality risks and improving the welding accuracy of joint points.

[0007] As a further preference of the utility model, it also includes a slide rail and a positioning pin, the slide rail is arranged on the tooling platform, the bottom plate height support on the right side of the center position of the bottom plate and the right-end ear plate through-axis mechanism are movably arranged on the slide rail, and a plurality of connecting holes are provided on the tooling platform, and the positioning pin is inserted into the connecting hole to limit the bottom plate height support and the right-end ear plate through-axis mechanism.

[0008] The utility model is provided with a slide rail, and part of the bottom plate height support and the right end ear plate through-axis mechanism are arranged on the slide rail. Different models of main arms can be quickly changed, the positioning is accurate and the operation is convenient, which is easy to promote and practical, and improves the versatility of products of different lengths and work efficiency.

[0009] As a further preferred embodiment of the present invention, the lower ear plate shaft-penetrating mechanism includes a pin shaft fixing slot and a splicing point shaft; the fixing slot is arranged on the tooling platform, the splicing point shaft is snap-connected to the fixing slot, and the splicing point shaft passes through the shaft hole of the lower ear plate. The splicing point shaft is placed in the pin shaft fixing slot after being passed through the shaft to ensure the positioning dimensional accuracy.

[0010] As a further preferred embodiment of the utility model, the bottom plate height support is multiple and the height is adjustable, the bottom plate is placed on the bottom plate height support, and the left and right positioning blocks of the bottom plate are movably arranged on the bottom plate height support to clamp the two ends of the bottom plate. The tightening mechanism includes a flip tightening device and a spiral tightening device, and the flip tightening device and the spiral tightening device are symmetrically arranged on both sides of the side plate to tighten and limit the bottom plate, the lower ear plate and the side plate. The bottom plate is quickly loaded and unloaded through the left and right positioning blocks of the bottom plate on the bottom plate height support to achieve positioning of different sizes and achieve the purpose of rapid changeover. The left and right positioning blocks of the bottom plate and the spiral tightening cooperate with each other to achieve left and right positioning and centering symmetry of the bottom plate. The flip tightening facilitates the rapid positioning of the bottom plate and the side plate. The flip tightening is a flip-type positioning, which is convenient for rapid disassembly after assembly.

[0011] As a further preferred embodiment of the present invention, the clamping mechanism is arranged above the upper cover plate, and the clamping mechanism comprises a rotating plate and a screw rod, and the rotating plate is provided with a threaded hole, and the screw rod passes through the threaded hole to clamp the upper cover plate. The clamping mechanism is positioned and connected to the tooling platform by bolts, and is tightened and clamped by screwing.

[0012] As a further preferred embodiment of the present invention, the right-end ear plate shaft-penetrating mechanism is further provided with a cushion block for adjusting the height of the right-end ear plate shaft-penetrating mechanism.

[0013] As a further preferred embodiment of the present invention, the left-end shaft-penetrating mechanism includes a base, a pin, a pin pressure plate and a bolt; the base is connected to the tooling platform, the pin passes through the shaft sleeve, and the pin is arranged on the base, the pin pressure plate can be opened and closed on the pin, the pin is limited, and the pin pressure plate is adjusted by the bolt. The positioning blocks below and to the right of the pin of the left-end shaft-penetrating mechanism are in a detachable state, and different models of products can be quickly assembled, and the pin pressure plate is tightened by threaded rotation.

[0014] As a further preferred embodiment of the present invention, the left end cover plate positioning and flipping device includes a base, a flipping position and a pressure plate; the base is connected to the tooling platform, and the pressure plate is rotatably connected to the base, and the flipping position is flippably arranged on the base. The left end cover plate positioning and flipping device quickly positions the upper cover plate by flipping. After the assembly is completed, only the pressure strip needs to be opened without flipping. When the product is lifted, it will automatically open with the product.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model can effectively position the various components of the wood grabber's main arm through the lower ear plate shaft-penetrating mechanism, the bottom plate height support, the bottom plate left and right positioning blocks, the jacking mechanism, the pressing mechanism, the right-end ear plate shaft-penetrating mechanism, the left-end shaft-penetrating mechanism and the left-end cover plate positioning and flipping device, thereby improving the product consistency guarantee capability, reducing the product quality risk and improving the welding accuracy of the joint points.

[0017] 2. The utility model is provided with a slide rail, and part of the bottom plate height support and the right end ear plate shaft-penetrating mechanism are arranged on the slide rail. Different models of main arms can be quickly changed, with accurate positioning and convenient operation, which is easy to promote and practical, improves the versatility of products of different lengths, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the main arm structure of the wood grab;

[0020] Figure 3 This is a schematic diagram of the lower ear plate shaft-penetrating mechanism and the tightening mechanism;

[0021] Figure 4 It is a schematic diagram of the bottom plate height support, the bottom plate left and right positioning blocks, the jacking mechanism, the clamping mechanism and the jacking mechanism;

[0022] Figure 5It is a schematic diagram of the left end shaft-penetrating mechanism and the left end cover plate positioning and flipping device;

[0023] Figure 6 It is a schematic diagram of the right end ear plate shaft-penetrating mechanism and the slide rail device.

[0024] The following are: 1. tooling platform; 2. bottom plate height support; 3. left end cover plate positioning and flipping device; 31. pressure plate; 32. pressure strip; 4. left end shaft insertion mechanism; 41. pin shaft; 42. pin shaft pressure plate; 5. lower ear plate shaft insertion mechanism; 51. fixed card slot; 52. joint point shaft; 6. tightening mechanism; 61. spiral tightening device; 62. flip tightening device; 7. tightening mechanism; 8. right end ear plate shaft insertion mechanism; 81. pad; 9. slide rail; 10. bottom plate left and right positioning blocks; 11. positioning pin; 12. upper cover plate; 13. side plate; 14. bushing; 15. right ear plate; 16. bottom plate; 17. lower ear plate. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific preferred embodiments.

[0026] In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. "First", "second", etc. do not indicate the importance of the components, and therefore cannot be understood as a limitation on the present invention. The specific dimensions used in this embodiment are only for illustrating the technical solution, and do not limit the scope of protection of the present invention.

[0027] like Figure 1-6As shown, the main arm of the wood grabber includes an upper cover plate 12, a side plate 13, a bottom plate 16 and a lower ear plate 17 which are sequentially connected from top to bottom, and also includes a shaft sleeve 14 and a right ear plate 15, and the shaft sleeve 14 and the right ear plate 15 are respectively connected to the two ends of the side plate 13. A welding device for the main arm of a wood grabber includes a tooling platform 1, a lower ear plate shaft-penetrating mechanism 5, a bottom plate height support 2, bottom plate left and right positioning blocks 10, a tightening mechanism 6, a clamping mechanism 7, a right-end ear plate shaft-penetrating mechanism 8, a left-end shaft-penetrating mechanism 4 and a left-end cover plate positioning and flipping device 3; shaft holes are provided at both ends of the lower ear plate 17, and the lower ear plate shaft-penetrating mechanism 5 is arranged on the tooling platform 1, and respectively passes through the shaft holes at both ends of the lower ear plate 17 to position the lower ear plate 17; the bottom plate height support 2 is arranged on the tooling platform 1 to support the bottom plate 16, and the bottom plate left and right positioning blocks 10 are arranged at the bottom plate height support 2. On the support 2, it is snap-connected to the two ends of the bottom plate 16 to position the bottom plate 16; the clamping mechanism 7 and the jacking mechanism 6 are arranged on the tooling platform 1 on both sides of the side plate 13; an axial hole is opened on the right ear plate 15, and the right-end ear plate shaft-penetrating mechanism 8 is arranged on the tooling platform 1, and passes through the axial hole of the right ear plate 15 to position the right ear plate 15; the left-end shaft-penetrating mechanism 4 and the left-end cover plate positioning and flipping device 3 are both arranged on the tooling platform 1, and the left-end shaft-penetrating mechanism 4 passes through the shaft sleeve 14 to position the shaft sleeve 14, and the left-end cover plate positioning and flipping device 3 is snap-fitted on the shaft sleeve 14 to position the upper cover plate 12.

[0028] The utility model can effectively position the various components of the wood grabber's main arm through the lower ear plate shaft-penetrating mechanism 5, the bottom plate height support 2, the bottom plate left and right positioning blocks 10, the jacking mechanism 6, the pressing mechanism 7, the right-end ear plate shaft-penetrating mechanism 8, the left-end shaft-penetrating mechanism 4 and the left-end cover plate positioning and flipping device 3, thereby improving the product consistency assurance capability, reducing the product quality risk and improving the welding accuracy of the joint points.

[0029] It also includes a slide rail 9 and a positioning pin 11. The slide rail 9 is arranged on the tooling platform 1. The bottom plate height support 2 on the right side of the center position of the bottom plate 16 and the right-end ear plate through-axis mechanism 8 can be movably arranged on the slide rail 9. A plurality of connecting holes are provided on the tooling platform 1. The positioning pin 11 is inserted into the connecting hole to limit the bottom plate height support 2 and the right-end ear plate through-axis mechanism 8.

[0030] The utility model is provided with a slide rail 9, and part of the bottom plate height support 2 and the right end ear plate shaft-penetrating mechanism 8 are arranged on the slide rail 9. Different models of main arms can be quickly changed, and the positioning is accurate and the operation is convenient. It is easy to promote and practical, and the versatility of products of different lengths is improved, and work efficiency is improved.

[0031] The lower ear plate shaft-threading mechanism 5 includes a fixed slot 51 and a splicing shaft 52; the fixed slot 51 is arranged on the tooling platform, the splicing shaft 52 is snap-connected to the fixed slot 51, and the splicing shaft 52 passes through the shaft hole of the lower ear plate 17. The splicing shaft 52 is placed in the fixed slot 51 after being threaded to ensure the positioning dimensional accuracy. The spiral tightening device 61 of the tightening mechanism 6 mainly rotates in a threaded manner to achieve the tightening of the lower ear plate 17 to ensure that the tightening device is effectively positioned and firmly attached. The flip tightening device 62 is a flip-type positioning device, which is convenient for quick disassembly.

[0032] The bottom plate height support 2 is multiple and height-adjustable. The bottom plate 16 is placed on the bottom plate height support 2. The bottom plate left and right positioning blocks 10 are movably arranged on the bottom plate height support 2 to clamp the two ends of the bottom plate 16. The tightening mechanism 6 includes a flip tightening device 62 and a screw tightening device 61. The flip tightening device 62 and the screw tightening device 61 are symmetrically arranged on both sides of the side plate 13 to tighten and limit the bottom plate 16, the lower ear plate 17 and the side plate 13. The bottom plate 16 is quickly loaded and unloaded through the bottom plate left and right positioning blocks 10 on the bottom plate height support 2 to achieve positioning of different sizes and achieve the purpose of rapid changeover. The bottom plate left and right positioning blocks 10 and the screw tightening device 61 cooperate to achieve left and right positioning and centering symmetry of the bottom plate 16. The flip tightening device 62 facilitates the quick positioning of the bottom plate 16 and the side plate 13. The flip tightening device 62 is a flip-type positioning device, which is convenient for rapid disassembly after assembly.

[0033] The clamping mechanism 7 is arranged above the upper cover plate 12, and comprises a rotating plate and a screw rod, wherein the rotating plate is provided with a threaded hole, and the screw rod passes through the threaded hole to clamp the upper cover plate 12. The clamping mechanism 7 is positioned and connected to the tooling platform 1 by bolts, and is tightened and clamped by screw tightening.

[0034] The right-end ear plate through-shaft mechanism 8 is also provided with a cushion block 81 for adjusting the height of the right-end ear plate through-shaft mechanism 8. The right-end ear plate through-shaft mechanism 8 adjusts the height of different products according to the lower cushion block 81, and adjusts the position of the splicing point according to the positioning holes on the slide rail 9 and the tooling platform 1 to meet the splicing point requirements of products of different lengths.

[0035] The left-end through-axis mechanism 4 includes a base, a pin 41, a pin pressure plate 42 and bolts; the base is connected to the tooling platform 1, the pin 41 passes through the shaft sleeve 14, and the pin 41 is set on the base, and the pin pressure plate 42 can be opened and closed on the pin 41 to limit the position of the pin 41, and the pin pressure plate 42 is adjusted by bolts. The positioning blocks below and to the right of the pin 41 of the left-end through-axis mechanism 4 are detachable, and different models of products can be quickly assembled, and the pin pressure plate 42 is tightened by threaded rotation.

[0036] The left end cover plate positioning and flipping device 3 includes a base, a flipping position 32 and a pressing plate 31; the base is connected to the tooling platform 1, and the pressing plate 31 is rotatably connected to the base, and the flipping position 32 is flippably arranged on the base. The left end cover plate positioning and flipping device 3 uses the pressing plate 31 to quickly press the flipping position 32, and the upper cover 12 presses the flipping position 32 to assemble. After the assembly is completed, only the pressing plate 31 needs to be opened, and the flipping position 32 is not needed. When the product is lifted, it will automatically open with the product.

[0037] The working principle of the utility model is:

[0038] First, the joint point shaft 52 is passed through the shaft hole on the lower ear plate 17, and the joint point shaft 52 is placed in the fixed card slot 51 to position the lower ear plate 17. Then the bottom plate 16 is placed on the bottom plate height support 2, and the left and right positioning and centering positioning of the bottom plate 16 are achieved through the bottom plate left and right positioning blocks 10 and the tightening mechanism 6. Then the side plate 13 is placed on the bottom plate 16 and quickly positioned through the tightening mechanism 6. Then the pin 41 is passed through the sleeve 14 and fixed to the left end of the side plate 13 through the pin pressure plate 42, and then the position of the right end ear plate through the shaft mechanism 8 on the slide rail 9 is adjusted, and the right ear plate 15 is passed through the shaft hole, and the right ear plate 15 is fixed to the bottom plate 16 on the right side of the side plate 13. Finally, the upper cover plate 12 is set above the side plate 13, the right ear plate 15 and the sleeve 14, and the position is limited by the flip positioning 32, the tightening mechanism 6 and the pressing mechanism 7 to meet the welding requirements of the product.

[0039] The preferred embodiments of the present invention are described in detail above. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A welding device for a main arm of a wood grabber, the main arm of the wood grabber comprising an upper cover plate (12), a side plate (13), a bottom plate (16) and a lower ear plate (17) connected in sequence from top to bottom, and also comprising a shaft sleeve (14) and a right ear plate (15), wherein the shaft sleeve (14) and the right ear plate (15) are respectively connected to two ends of the side plate (13), characterized in that: It comprises a tooling platform (1), a lower ear plate shaft-penetrating mechanism (5), a bottom plate height support (2), bottom plate left and right positioning blocks (10), a tightening mechanism (6), a pressing mechanism (7), a right end ear plate shaft-penetrating mechanism (8), a left end shaft-penetrating mechanism (4) and a left end cover plate positioning and flipping device (3); Axial holes are provided at both ends of the lower ear plate (17); the lower ear plate shaft-piercing mechanism (5) is arranged on the tooling platform (1) and passes through the axial holes at both ends of the lower ear plate (17) to position the lower ear plate (17); the bottom plate height support (2) is arranged on the tooling platform (1) to support the bottom plate (16); the bottom plate left and right positioning blocks (10) are arranged on the bottom plate height support (2) and are snap-connected to both ends of the bottom plate (16) to position the bottom plate (16); the clamping mechanism (7) and the jacking mechanism (6) are arranged on the side plate (13); ) on the tooling platforms (1) on both sides; the right ear plate (15) is provided with an axis hole, the right end ear plate axis-penetrating mechanism (8) is arranged on the tooling platform (1), passes through the axis hole of the right ear plate (15), and positions the right ear plate (15); the left end axis-penetrating mechanism (4) and the left end cover plate positioning and flipping device (3) are both arranged on the tooling platform (1), the left end axis-penetrating mechanism (4) passes through the shaft sleeve (14) to position the shaft sleeve (14), and the left end cover plate positioning and flipping device (3) is engaged with the shaft sleeve (14) to position the upper cover plate (12).

2. The main arm welding device of a log grabber according to claim 1, characterized in that: It also includes a slide rail (9) and a positioning pin (11), wherein the slide rail (9) is arranged on the tooling platform (1), and the bottom plate height support (2) and the right end ear plate through-axis mechanism (8) on the right side of the center position of the bottom plate (16) are both movably arranged on the slide rail (9), and a plurality of connection holes are provided on the tooling platform (1), and the positioning pin (11) is inserted into the connection holes to limit the bottom plate height support (2) and the right end ear plate through-axis mechanism (8).

3. The main arm welding device of a log grabber according to claim 1, characterized in that: The lower ear plate shaft-penetrating mechanism (5) comprises a fixed slot (51) and a splicing point shaft (52); the fixed slot (51) is arranged on the tooling platform (1), the splicing point shaft (52) is snap-connected to the fixed slot (51), and the splicing point shaft (52) passes through the shaft hole of the lower ear plate (17).

4. The main arm welding device of a log grabber according to claim 1, characterized in that: The bottom plate height supports (2) are multiple and height-adjustable, the bottom plate (16) is placed on the bottom plate height supports (2), and the bottom plate left and right positioning blocks (10) are movably arranged on the bottom plate height supports (2) to engage the two ends of the bottom plate (16).

5. The main arm welding device of a log grabber according to claim 1, characterized in that: The tightening mechanism (6) comprises a flip tightening device (62) and a screw tightening device (61), wherein the flip tightening device (62) and the screw tightening device (61) are symmetrically arranged on both sides of the side plate (13) to tighten and limit the bottom plate (16), the lower ear plate (17) and the side plate (13).

6. The main arm welding device of a log grabber according to claim 1, characterized in that: The clamping mechanism (7) is arranged above the upper cover plate (12), and comprises a rotating plate and a screw rod. The rotating plate is provided with a threaded hole, and the screw rod passes through the threaded hole to clamp the upper cover plate (12).

7. The main arm welding device of a log grabber according to claim 1, characterized in that: The right-end ear plate shaft-penetrating mechanism (8) is also provided with a cushion block (81) for adjusting the height of the right-end ear plate shaft-penetrating mechanism (8).

8. The main arm welding device of a log grabber according to claim 1, characterized in that: The left end shaft-penetrating mechanism (4) comprises a base, a pin shaft (41), a pin shaft pressing plate (42) and bolts; the base is connected to the tooling platform (1), the pin shaft (41) passes through the shaft sleeve (14), and the pin shaft (41) is arranged on the base, the pin shaft pressing plate (42) is arranged on the pin shaft (41) in an openable and closable manner to limit the pin shaft (41), and the pin shaft pressing plate (42) is adjusted by bolts.

9. The main arm welding device of a log grabber according to claim 1, characterized in that: The left end cover plate positioning and flipping device (3) comprises a base, a flipping position (32) and a pressure plate (31); the base is connected to the tooling platform (1), and the pressure plate (31) is rotatably connected to the base, and the flipping position (32) is flipably arranged on the base.

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