CN213702321U

CN213702321U - Weeder cutter head high accuracy welding position device

Info

Publication number: CN213702321U
Application number: CN202022321695.7U
Authority: CN
Inventors: 潘惠明
Original assignee: Taicang Jinwei Electric Appliance Co ltd
Current assignee: Taicang Jinwei Electric Appliance Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-16
Anticipated expiration: 2030-10-19

Abstract

The utility model belongs to the technical field of the weeder is made, concretely relates to weeder cutter head high accuracy welding position device. A high-precision welding and positioning device for a cutter head of a weeding machine comprises a base, a fixed disc, a rotating disc, a chuck, a horizontal sliding rail, a horizontal sliding block, a lifting device and a clamping device; the fixed disc is obliquely fixed on the base; the rotating disc is rotatably arranged on the fixed disc, and scales are engraved on the side surfaces of the fixed disc and the rotating disc; the horizontal sliding rail is fixed on the base, the horizontal sliding block can be arranged on the horizontal sliding rail in a sliding mode, and scales are engraved on the horizontal sliding block and the side face of the horizontal sliding rail; the lifting device is fixed on the horizontal sliding block and is provided with scales; the clamping device is fixed on the lifting device. The utility model discloses the succinct compactness of structure, convenience safe in utilization can satisfy the centre gripping and the positioning operation of weeder blade disc, blade, and the centre gripping precision is high, and the adjustment of being convenient for satisfies the welding operation requirement of high accuracy.

Description

Weeder cutter head high accuracy welding position device

Technical Field

The utility model belongs to the technical field of the weeder is made, concretely relates to weeder cutter head high accuracy welding position device.

Background

The weeding machine is also called as a grass cutter, a lawn trimmer and the like and is used for weeding or trimming. The weeding machine generally comprises a travelling mechanism, a cutter head, a power device and other main components, wherein the cutter head is provided with a blade, and the blade is driven by the power device to trim and cut lawns or weeds. Generally, the blades are fixed on the cutter head in a welding mode, and the welding precision of the blades has important influence on the overall use effect of the cutter head. Because the blade of this company's part adopts heterotypic blade, its radian is special, through artifical bare-handed location and welding, its precision can't satisfy the design requirement, consequently, need to design a high accuracy welding position device.

Disclosure of Invention

Not enough to prior art exists, the utility model provides a weeder cutterhead high accuracy welding position device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-precision welding and positioning device for a cutter head of a weeding machine comprises a base, a fixed disc, a rotating disc, a chuck, a horizontal sliding rail, a horizontal sliding block, a lifting device and a clamping device; the fixed disc is obliquely fixed on the base; the rotating disc is rotatably arranged on the fixed disc, and scales are engraved on the side surfaces of the fixed disc and the rotating disc; the horizontal sliding rail is fixed on the base, the horizontal sliding block can be arranged on the horizontal sliding rail in a sliding mode, and scales are engraved on the horizontal sliding block and the side face of the horizontal sliding rail; the lifting device is fixed on the horizontal sliding block and is provided with scales; the clamping device is fixed on the lifting device. The utility model discloses working method as follows: fixing a cutter head to be welded on a chuck in an inclined manner, recording the scale of a rotating disc, clamping a blade to be welded on a clamping device, adjusting a horizontal sliding block and a lifting device to proper positions, and then welding the blade to the cutter head; loosening the clamping device, rotating the rotating disc to a proper scale, and clamping the next blade for welding; and taking down the cutter head until all the blades are welded.

Furthermore, a main shaft extending into the base is fixed in the center of the rotating disc, and the main shaft is rotatably fixed in the base through a bearing; a worm wheel is sleeved on the main shaft; a worm meshed with the worm wheel is also arranged in the base; the worm is coaxially connected with a hand wheel positioned outside the base. And rotating the hand wheel to adjust the angle of the rotating disk.

Preferably, the chuck is a three-jaw centering chuck; the section of the horizontal sliding rail is T-shaped.

Further, the lifting device comprises a fixed seat, a lifting platform, a vertical screw, a screw sleeve and a lifting hand wheel; the fixed seat is fixed on the horizontal sliding block; the lifting platform is matched with the fixed seat through the sliding rail and can be connected to the fixed seat in a sliding mode, the lifting platform slides up and down relative to the fixed seat, and scales are marked on the side faces of the lifting platform and the fixed seat; the vertical screw rod is rotatably fixed in the fixed seat; the screw sleeve is sleeved on the vertical screw through thread fit and is fixedly connected with the lifting platform; and a lifting hand wheel is also fixed at the top of the vertical screw rod. The lifting device realizes stable lifting by rotating the lifting hand wheel.

Furthermore, the clamping device comprises a horizontal clamping seat, a telescopic electric cylinder, an arch-shaped connecting block, a strip-shaped connecting block, an L-shaped upper clamping arm, an upper clamping block, a lower clamping arm and a lower clamping block; the horizontal clamping seat is L-shaped and is fixed on the lifting platform; the telescopic electric cylinder is hinged at one end of the horizontal clamping seat and is marked as the rear end; one end of the bow-shaped connecting block is hinged on the telescopic rod of the telescopic electric cylinder, and the other end of the bow-shaped connecting block is hinged in the middle of the horizontal clamping seat; one end of the L-shaped upper clamping arm is hinged at the front end of the horizontal clamping seat; a strip-shaped connecting block is hinged between the middle part of the L-shaped upper clamping arm and the middle part of the arch-shaped connecting block; the upper clamping block is fixed at the front end of the L-shaped upper clamping arm; the lower clamping arm is arranged on the front side of the horizontal clamping seat, and a lower clamping arm is arranged on the lower clamping arm; the upper clamping block can be clamped by the lower clamping block under the driving of the telescopic electric cylinder. In the clamping device, when the upper clamping block is close to the lower clamping block, the force arm is larger, and the clamping force is stronger; when the upper clamping block is far away from the lower clamping block, the force arm is relatively small, so that the operation speed is high.

Furthermore, the surfaces of the upper clamping block and the lower clamping block are respectively carved with grains perpendicular to the front and back directions, so that the clamping is firmer.

Preferably, the angle between the plane in which the mounting plate lies and the horizontal plane is in the range of 45 °.

Has the advantages that: the utility model provides a weeder cutter head high accuracy welding position device, the succinct compactness of structure, convenience safe in utilization can satisfy the centre gripping and the location work of weeder cutter head, blade, and the centre gripping precision is high, and the adjustment of being convenient for satisfies the welding operation requirement of high accuracy.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the interior of the base;

FIG. 3 is a schematic structural diagram of the lifting device;

FIG. 4 is a schematic view of the internal structure of the lifting device;

FIG. 5 is an enlarged view of a portion of the area X in FIG. 3;

fig. 6 is a schematic structural view of the clamping device.

In the figure, a base 1, a fixed disc 2, a rotating disc 3, a chuck 4, a horizontal sliding rail 5, a horizontal sliding block 6, a lifting device 7, a clamping device 8, a main shaft 31, a worm wheel 32, a worm 33, a hand wheel 34, a fixed seat 71, a lifting platform 72, a vertical screw 73, a screw sleeve 74, a lifting hand wheel 75, a horizontal clamping seat 81, a telescopic electric cylinder 82, an arc-shaped connecting block 83, a strip-shaped connecting block 84, an L-shaped upper clamping arm 85, an upper clamping block 86, a lower clamping arm 87 and a lower clamping block 88 are arranged.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A high-precision welding and positioning device for a cutter head of a weeder is shown in figures 1 and 2 and comprises a base 1, a fixed disc 2, a rotating disc 3, a chuck 4, a horizontal sliding rail 5, a horizontal sliding block 6, a lifting device 7 and a clamping device 8; the fixed disc 2 is obliquely fixed on the base 1; the rotating disc 3 can be rotatably arranged on the fixed disc, and scales are engraved on the side surfaces of the fixed disc 2 and the rotating disc 3; the horizontal sliding rail 5 is fixed on the base 1, the horizontal sliding block 6 can be arranged on the horizontal sliding rail 5 in a sliding mode, and scales are engraved on the horizontal sliding block 6 and the side face of the horizontal sliding rail 5; the lifting device 7 is fixed on the horizontal sliding block 6, and scales are arranged on the lifting device 7; the clamping device 8 is fixed on the lifting device 7.

In the embodiment, a main shaft 31 extending into the base 1 is fixed at the center of the rotating disc 3, and the main shaft 31 is rotatably fixed in the base 1 through a bearing; a worm wheel 32 is sleeved on the main shaft 31; a worm 33 meshed with the worm wheel 32 is also arranged in the base 1; the worm 33 is coaxially connected to a hand wheel 34 located outside the base 1.

Example 2

A high-precision welding and positioning device for a cutter head of a weeding machine is shown in figures 1 to 6 and comprises a base 1, a fixed disc 2, a rotating disc 3, a chuck 4, a horizontal sliding rail 5, a horizontal sliding block 6, a lifting device 7 and a clamping device 8; the fixed disc 2 is obliquely fixed on the base 1; the rotating disc 3 can be rotatably arranged on the fixed disc, and scales are engraved on the side surfaces of the fixed disc 2 and the rotating disc 3; the horizontal sliding rail 5 is fixed on the base 1, the horizontal sliding block 6 can be arranged on the horizontal sliding rail 5 in a sliding mode, and scales are engraved on the horizontal sliding block 6 and the side face of the horizontal sliding rail 5; the lifting device 7 is fixed on the horizontal sliding block 6, and scales are arranged on the lifting device 7; the clamping device 8 is fixed on the lifting device 7.

In this embodiment, the chuck 4 is a three-jaw centering chuck; the section of the horizontal sliding rail 5 is T-shaped.

In this embodiment, the lifting device 7 includes a fixing seat 71, a lifting platform 72, a vertical screw 73, a screw sleeve 74, and a lifting handwheel 75; the fixed seat 71 is fixed on the horizontal sliding block 6; the lifting platform 72 is matched with the fixed seat 71 through a sliding rail and a sliding groove and can be connected to the fixed seat 71 in a sliding mode, the lifting platform 72 slides up and down relative to the fixed seat 71, and scales are marked on the side faces of the lifting platform 72 and the fixed seat 71; the vertical screw 73 is rotatably fixed in the fixed seat 71; the screw sleeve 74 is sleeved on the vertical screw 73 in a threaded fit manner, and the screw sleeve 74 is fixedly connected with the lifting platform 72; a lifting handwheel 75 is also fixed on the top of the vertical screw 73.

In this embodiment, the clamping device 8 includes a horizontal clamping seat 81, a telescopic electric cylinder 82, an arcuate connecting block 83, a bar-shaped connecting block 84, an L-shaped upper clamping arm 85, an upper clamping block 86, a lower clamping arm 87, and a lower clamping block 88; the horizontal clamping seat 81 is L-shaped and is fixed on the lifting platform 72; the telescopic electric cylinder 82 is hinged at one end of the horizontal clamping seat 81 and is marked as the rear end; one end of the bow-shaped connecting block 83 is hinged on the telescopic rod of the telescopic electric cylinder 82, and the other end is hinged in the middle of the horizontal clamping seat 81; one end of the L-shaped upper clamping arm 85 is hinged to the front end of the horizontal clamping seat 81; a strip-shaped connecting block 84 is hinged between the middle part of the L-shaped upper clamping arm 85 and the middle part of the arch-shaped connecting block 83; the upper clamping block 86 is fixed at the front end of the L-shaped upper clamping arm 85; the lower clamping arm 87 is arranged on the front side of the horizontal clamping seat 81, and the lower clamping arm 87 is provided with the lower clamping arm 87; the upper clamping block 86 can be clamped by the lower clamping block 88 under the driving of the telescopic electric cylinder 82.

In this embodiment, the upper and

lower blocks

86, 88 are provided with a vertical line on the surface.

In this embodiment, the angle between the plane of the fixed disk 2 and the horizontal plane is 45 °.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principle of the present invention, and these improvements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a weeder cutter head high accuracy welding position device which characterized in that: comprises a base (1), a fixed disc (2), a rotating disc (3), a chuck (4), a horizontal sliding rail (5), a horizontal sliding block (6), a lifting device (7) and a clamping device (8); the fixed disc (2) is obliquely fixed on the base (1); the rotating disc (3) is rotatably arranged on the fixed disc, and scales are marked on the side surfaces of the fixed disc (2) and the rotating disc (3); the horizontal sliding rail (5) is fixed on the base (1), the horizontal sliding block (6) is slidably arranged on the horizontal sliding rail (5), and scales are engraved on the horizontal sliding block (6) and the side surface of the horizontal sliding rail (5); the lifting device (7) is fixed on the horizontal sliding block (6), and scales are arranged on the lifting device (7); the clamping device (8) is fixed on the lifting device (7).

2. The high-precision welding and positioning device for the cutter head of the weeding machine according to claim 1, is characterized in that: a main shaft (31) extending into the base (1) is fixed at the center of the rotating disc (3), and the main shaft (31) is rotatably fixed in the base (1) through a bearing; a worm wheel (32) is sleeved on the main shaft (31); a worm (33) meshed with the worm wheel (32) is further arranged in the base (1); the worm (33) is coaxially connected with a hand wheel (34) positioned outside the base (1).

3. The high-precision welding and positioning device for the cutter head of the weeding machine according to claim 1, is characterized in that: the chuck (4) is a three-jaw centering chuck.

4. The high-precision welding and positioning device for the cutter head of the weeding machine according to claim 1, is characterized in that: the section of the horizontal sliding rail (5) is T-shaped.

5. The high-precision welding and positioning device for the cutter head of the weeding machine according to claim 1, is characterized in that: the lifting device (7) comprises a fixed seat (71), a lifting platform (72), a vertical screw (73), a screw sleeve (74) and a lifting hand wheel (75); the fixed seat (71) is fixed on the horizontal sliding block (6); the lifting platform (72) is matched with the fixed seat (71) through a sliding rail and a sliding groove and can be slidably connected with the fixed seat (71), the lifting platform (72) slides up and down relative to the fixed seat (71), and scales are marked on the side surfaces of the lifting platform (72) and the fixed seat (71); the vertical screw (73) is rotatably fixed in the fixed seat (71); the screw sleeve (74) is sleeved on the vertical screw (73) in a threaded fit manner, and the screw sleeve (74) is fixedly connected with the lifting platform (72); the top of the vertical screw rod (73) is also fixed with the lifting hand wheel (75).

6. The high-precision welding and positioning device for the cutter head of the weeding machine according to claim 5, is characterized in that: the clamping device (8) comprises a horizontal clamping seat (81), a telescopic electric cylinder (82), an arch-shaped connecting block (83), a strip-shaped connecting block (84), an L-shaped upper clamping arm (85), an upper clamping block (86), a lower clamping arm (87) and a lower clamping block (88); the horizontal clamping seat (81) is L-shaped and is fixed on the lifting platform (72); the telescopic electric cylinder (82) is hinged to one end of the horizontal clamping seat (81) and is marked as the rear end; one end of the arch-shaped connecting block (83) is hinged to the telescopic rod of the telescopic electric cylinder (82), and the other end of the arch-shaped connecting block is hinged to the middle part of the horizontal clamping seat (81); one end of the L-shaped upper clamping arm (85) is hinged to the front end of the horizontal clamping seat (81); the strip-shaped connecting block (84) is hinged between the middle part of the L-shaped upper clamping arm (85) and the middle part of the arch-shaped connecting block (83); the upper clamping block (86) is fixed at the front end of the L-shaped upper clamping arm (85); the lower clamping arm (87) is arranged on the front side of the horizontal clamping seat (81), and the lower clamping arm (87) is arranged on the lower clamping arm (87); the upper clamping block (86) can be clamped towards the lower clamping block (88) under the driving of the telescopic electric cylinder (82).

7. The high-precision welding and positioning device for the cutter head of the weeding machine according to claim 6, is characterized in that: the surfaces of the upper clamping block (86) and the lower clamping block (88) are respectively engraved with grains vertical to the front-back direction.

8. The high-precision welding positioning device for the cutter head of the weeder according to any one of claims 1 to 7, characterized in that: the included angle range between the plane where the fixed disc (2) is located and the horizontal plane is 45 degrees.