CN214852823U

CN214852823U - Quick-change cutter mechanism for garden machinery

Info

Publication number: CN214852823U
Application number: CN202120341840.XU
Authority: CN
Inventors: 刘雪飞
Original assignee: Beijing Shengshi Runhe Ecological Construction Co ltd
Current assignee: Beijing Shengshi Runhe Ecological Construction Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-11-26
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a quick change sword mechanism for garden machine, concretely relates to garden machine field, including the equipment seat, distribution controller and driving motor are installed respectively to the top surface and the bottom surface of equipment seat, the bottom surface of equipment seat is rotated and is installed the tool changing pivot, the curved bowl of transmission and the blade changing dish have been cup jointed on the surface of tool changing pivot, tool changing actuating mechanism is installed to the bottom surface of equipment seat, tool changing actuating mechanism includes the drive axostylus axostyle, meshing ear and tool changing motor, the output of tool changing motor and the tip fixed connection of drive axostylus axostyle, meshing ear fixed mounting has cup jointed a plurality of drive blade holders in one side of drive axostylus axostyle, the surface rotation of blade changing dish. The utility model discloses a set up novel automatic tool changing structure, the rotary motion who utilizes the meshing of the bent bowl of tool changing actuating mechanism and transmission to drive the cutter changing dish carries out the tool changing, and simple structure is practical, realizes the automation mechanized operation of tool changing, effectively improves tool changing efficiency, and need not personnel's contact cutter and improves mechanical operation's security.

Description

Quick-change cutter mechanism for garden machinery

Technical Field

The utility model relates to a garden machine technical field, more specifically say, the utility model specifically is a quick change sword mechanism for garden machine.

Background

Garden machinery refers to chain saws, edge cutters, edge trimmers, hedge trimmers, brush cutters, grass combing machines, pole climbers, leaf suction machines, lawn trimmers and other mechanical equipment used for landscaping, garden construction and garden maintenance, cutter shafts are key parts in garden machinery, and need to be replaced after long-time use or when cutter shafts and cutters of different specifications are selected.

Current garden machine quick change sword mechanism adopts the quick formula structure of tearing open of piece, is fixed in the blade holder surface with the cutter through magnetism or buckle structure, and at the change cutter in-process, complex operation need stop the change tool bit after the function with machinery, and in actual operation, need be changed through personnel's manual, and the practicality is low, has certain defect.

Therefore, it is needed to provide a novel quick-change knife mechanism for garden machinery.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a quick change sword mechanism for garden machine, through setting up novel automatic tool changing structure, the rotary motion who utilizes the curved bowl of tool changing actuating mechanism and transmission to drive the cutter changing dish carries out the tool changing, and simple structure is practical, realizes the automation mechanized operation of tool changing, and realizes online quick tool changing, need not to shut down the operation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick-change cutter mechanism for garden machinery comprises an equipment seat, wherein a power distribution controller and a driving motor are respectively and fixedly installed on the top surface and the bottom surface of the equipment seat, the bottom surface of the equipment seat is rotatably provided with a tool changing rotating shaft, the surface of the tool changing rotating shaft is fixedly sleeved with a transmission curved bowl and a tool changing disc from top to bottom in sequence, the bottom surface of the equipment seat is fixedly provided with a tool changing driving mechanism which comprises a driving shaft lever, an engaging lug and a tool changing motor, the output end of the tool changing motor is fixedly connected with the end part of the driving shaft lever, the engaging lug is fixedly arranged at one side of the driving shaft lever, the surface of the cutter changing disc is rotatably sleeved with a plurality of driving cutter holders, the bottom ends of the driving cutter holders are clamped with cutters, the top surface fixedly connected with driving gear of drive blade holder, driving motor's output fixedly connected with driving gear, driving gear and driving gear intermeshing.

In a preferred embodiment, the transmission curved bowl is of a spherical bowl-shaped structure, a plurality of meshing grooves and transmission supporting grooves are formed in the surface of the transmission curved bowl, the top surface of each transmission supporting groove is in sliding fit with the bottom surface of the driving shaft rod, and the top surface of the tool changing motor is fixedly connected with the bottom surface of the equipment seat.

In a preferred embodiment, the driving shaft is provided at one side thereof with a pin, and the engaging lug is engaged with an inner side of the engaging groove by the pin.

In a preferred embodiment, the number of the engagement grooves is equal to the number of the driving tool holders, the driving tool holders include tool holder rotating shafts, the surface of the cutter changing disc is also provided with a plurality of mounting holes, bearings are clamped inside the mounting holes, the rotating shafts of the driving tool holders are sleeved inside the bearings, and the top surfaces of the tool holders are fixedly connected with the bottom ends of the rotating shafts.

In a preferred embodiment, the driving tool apron is uniformly distributed on the surface of the cutter changing disc in the circumferential direction, the length of the outer side of the transmission gear from the circle center of the cutter changing disc is equal, and the tooth diameter specifications of the transmission gear are equal.

In a preferred embodiment, a bearing seat is fixedly sleeved at the top end of the tool changing rotating shaft, the bearing seat is embedded and installed on the bottom surface of the equipment seat, and the tool changing rotating shaft is vertically arranged downwards.

In a preferred embodiment, the output end of the power distribution controller is electrically connected with the input ends of the driving motor and the tool changing motor, and the tool changing motor is of a stepping motor structure.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up novel automatic tool changing structure, utilize the meshing of tool changing actuating mechanism and transmission bent bowl to drive the rotary motion of cutter changing dish and carry out the tool changing, simple structure is practical, realizes the automation mechanized operation of tool changing, effectively improves tool changing efficiency, and need not personnel to contact the security that the cutter improved mechanical operation;

2. the utility model discloses a set up many tool bits cutter changing disc structure, carry out the dynamic switching of cutter through the rotation of cutter changing disc, can carry out automatic switching at mechanical operation in-process, realize online quick tool changing, need not to shut down the operation, further improve tool changing efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the surface structure of the cutter changing disc of the present invention.

Fig. 3 is the schematic view of the tool changing mechanism mounting structure of the present invention.

Fig. 4 is a schematic structural diagram of the tool changing mechanism of the present invention.

Fig. 5 is a schematic structural view of the tool changing driving mechanism of the present invention.

The reference signs are: 1. an equipment base; 2. a power distribution controller; 3. a drive motor; 4. a tool changing rotating shaft; 5. a tool changing driving mechanism; 6. a transmission curved bowl; 7. changing the cutter head; 8. driving the tool apron; 31. a drive tooth; 51. a drive shaft; 52. engaging the lugs; 53. a tool changing motor; 61. an engagement groove; 62. a transmission support groove; 71. mounting holes; 81. and a transmission gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the attached figures 1-5, the quick-change cutter mechanism for garden machinery comprises an equipment base 1, a power distribution controller 2 and a driving motor 3 are respectively and fixedly installed on the top surface and the bottom surface of the equipment base 1, a cutter changing rotating shaft 4 is rotatably installed on the bottom surface of the equipment base 1, a transmission curved bowl 6 and a cutter changing disc 7 are sequentially and fixedly sleeved on the surface of the cutter changing rotating shaft 4 from top to bottom, a cutter changing driving mechanism 5 is fixedly installed on the bottom surface of the equipment base 1, the cutter changing driving mechanism 5 comprises a driving shaft rod 51, an engaging lug 52 and a cutter changing motor 53, the output end of the cutter changing motor 53 is fixedly connected with the end part of the driving shaft rod 51, the engaging lug 52 is fixedly installed on one side of the driving shaft rod 51, a plurality of driving cutter holders 8 are rotatably sleeved on the surface of the cutter changing disc 7, cutters are clamped at the bottom ends of the driving cutter holders 8, a driving tooth 81 is fixedly connected with the top surface of the driving cutter holder 8, and a driving tooth 31 is fixedly connected with the output end of the driving motor 3, drive tooth 31 and driving tooth 81 intermeshing, the fixed bearing frame that has cup jointed in top of tool changing pivot 4, the bottom surface in equipment seat 1 is installed in the bearing frame embedding, and tool changing pivot 4 is vertical arranging downwards.

The implementation mode is specifically as follows: by arranging the novel automatic tool changing structure, the tool changing driving mechanism 5 and the transmission curved bowl 6 are meshed to drive the rotating motion of the tool changing disc 7 to change tools, the structure is simple and practical, the automatic operation of tool changing is realized, the tool changing efficiency is effectively improved, and the safety of mechanical operation is improved without the need of personnel to contact the tools; additionally, the utility model discloses a set up the 7 structures of multicut bit cutter changing disc, carry out the dynamic switch-over of cutter through the rotation of cutter changing disc 7, can carry out automatic switching at mechanical operation in-process, realize online quick tool changing, need not to shut down the operation, further improve tool changing efficiency.

Wherein, the curved bowl 6 of transmission is spherical bowl structure, and a plurality of meshing grooves 61 and transmission support groove 62 have been seted up on the surface of the curved bowl 6 of transmission, and the top surface of transmission support groove 62 and the bottom surface of drive axostylus axostyle 51 are laminated with sliding, and the top surface of tool changing motor 53 and the bottom surface fixed connection of equipment stand 1, one side of drive axostylus axostyle 51 is equipped with the pin, and engaging lug 52 realizes the tool changing drive through the inboard intermeshing of pin and meshing groove 61.

Wherein, the quantity of meshing groove 61 equals with the quantity of drive blade holder 8, and drive blade holder 8 includes that the cutter seat pivot constitutes, and the surface of cutter changing dish 7 begins also even a plurality of mounting holes 71, and the inside joint of mounting hole 71 has the bearing, and the pivot cover of drive blade holder 8 connects inside the bearing, the top surface and the pivot bottom fixed connection of cutter seat for drive blade holder 8 changes the meshing.

Wherein, drive blade holder 8 is the surface of circumferencial direction evenly distributed quota and traded blade disc 7, and the length of the outside distance traded blade disc 7 centre of a circle of driving tooth 81 is equal, and the tooth footpath specification of driving tooth 81 is equal, guarantees that each drive blade holder 8 can accurate meshing.

Wherein, distribution controller 2's output and driving motor 3 and tool changing motor 53's input electric connection, tool changing motor 53 is step motor structure, realizes the distance and rotates the tool changing.

Wherein the model of the tool changing motor 53 is TLD-12.

The utility model discloses the theory of operation:

at first, install in the bottom surface of traded blade disc 7 through drive blade holder 8 with various required cutters, it is rotatory to make mechanical operation's in-process drive shaft pole 51 and meshing ear 52 through tool changing motor 53, it is rotatory to move the curved bowl 6 of the east transmission of path of mesh through meshing ear 52 and meshing groove 61 and trade blade disc 7, it carries out the meshing transmission with driving motor 3 to switch over different driving tooth 81, realize automatic tool changing, under the meshing transmission of driving tooth 31 and driving tooth 81, still accessible drive tool changing motor 53 rotates and drives curved bowl 6 of transmission and trade blade disc 7 and deflect and carry out online quick tool changing, need not to shut down the operation.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a garden machine is with quick change sword mechanism, includes equipment seat (1), the top surface and the bottom surface of equipment seat (1) respectively fixed mounting have distribution controller (2) and driving motor (3), its characterized in that: the bottom surface of the equipment base (1) is rotatably provided with a tool changing rotating shaft (4), the surface of the tool changing rotating shaft (4) is sequentially and fixedly sleeved with a transmission curved bowl (6) and a tool changing disc (7) from top to bottom, the bottom surface of the equipment base (1) is fixedly provided with a tool changing driving mechanism (5), the tool changing driving mechanism (5) comprises a driving shaft rod (51), a meshing lug (52) and a tool changing motor (53), the output end of the tool changing motor (53) is fixedly connected with the end part of the driving shaft rod (51), the meshing lug (52) is fixedly arranged on one side of the driving shaft rod (51), the surface of the tool changing disc (7) is rotatably sleeved with a plurality of driving tool holders (8), the bottom ends of the driving tool holders (8) are connected with tools, the top surface of the driving tool holders (8) is fixedly connected with driving teeth (81), the output end of the driving motor (3) is fixedly connected with driving teeth (31), the driving teeth (31) are meshed with the transmission teeth (81).

2. The quick-change knife mechanism for the garden machine according to claim 1, characterized in that: the transmission curved bowl (6) is of a spherical bowl-shaped structure, a plurality of meshing grooves (61) and transmission supporting grooves (62) are formed in the surface of the transmission curved bowl (6), the top surface of each transmission supporting groove (62) is in sliding fit with the bottom surface of the corresponding driving shaft rod (51), and the top surface of the tool changing motor (53) is fixedly connected with the bottom surface of the corresponding equipment seat (1).

3. The quick-change knife mechanism for the garden machine according to claim 1, characterized in that: one side of the driving shaft lever (51) is provided with a pin, and the engaging lug (52) is mutually engaged with the inner side of the engaging groove (61) through the pin.

4. The quick-change knife mechanism for the garden machine according to claim 2, characterized in that: the quantity of meshing groove (61) equals with the quantity of drive blade holder (8), drive blade holder (8) include that the cutter seat pivot constitutes, the surface of cutter changing dish (7) begins also a plurality of mounting holes (71) of idol, the inside joint of mounting hole (71) has the bearing, the pivot cup joint of drive blade holder (8) is inside the bearing, the top surface and the pivot bottom fixed connection of cutter seat.

5. The quick-change knife mechanism for the garden machine according to claim 1, characterized in that: the driving tool apron (8) is the surface of circumferencial direction evenly distributed amount and trades blade disc (7), the length of the outside distance trades blade disc (7) centre of a circle of driving tooth (81) equals, the tooth footpath specification of driving tooth (81) equals.

6. The quick-change knife mechanism for the garden machine according to claim 1, characterized in that: the fixed cover in top of tool changing pivot (4) has connect the bearing frame, the bottom surface in equipment seat (1) is installed in the bearing frame embedding, tool changing pivot (4) are vertical arranging downwards.

7. The quick-change knife mechanism for the garden machine according to claim 1, characterized in that: the output end of the power distribution controller (2) is electrically connected with the input ends of the driving motor (3) and the tool changing motor (53), and the tool changing motor (53) is of a stepping motor structure.