CN211064168U

CN211064168U - Motor-driven double-knife cutting device

Info

Publication number: CN211064168U
Application number: CN201920685917.8U
Authority: CN
Inventors: 刘志高; 张剑华; 刘西侠
Original assignee: Hebei Chunjiu Intelligent Technology Co ltd
Current assignee: Hebei Chunjiu Intelligent Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-07-24
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to a pruning power drive cutting technical field on hedgerow, meadow, lawn, in particular to power drive double knives cutting device. The utility model discloses well motor drive double knives cutting device, through the bent axle subassembly, the connecting rod, the rocker, the cutter holder, the blade fixed plate, two indicate the sword fixed plate, the blade, two indicate the top board, two indicate the bottom board, the blade drive plate, two structural connection who indicates the sword drive plate, change the rotary motion of motor into blade and two indicate the top board, two indicate the bottom board simultaneously to the centre gripping and the cutting of hedgerow branch and lawn stalk, cutting efficiency is high, the cutting material is not the horsetail and is convenient for collect, fungible current hedgerow and lawn pruning technique. Thus, the motor driven double knife cutting apparatus is an efficient hedge and lawn clipping apparatus.

Description

Motor-driven double-knife cutting device

Technical Field

The invention relates to the technical field of trimming power-driven cutting of hedges, lawns and lawns, in particular to a power-driven double-blade cutting device.

Background

The power cutting device for repairing branches and stalks of hedges, grasslands and lawns at present is a single or multiple groups of rotary cutter heads or chain type cutters driven by an electric or hydraulic motor, wherein the electric or hydraulic motor rides over a transmission shaft to be connected with the cutter heads, and the electric or hydraulic motor is connected with a chain wheel transmission device through the transmission shaft. The two types of cutting devices have the disadvantages that the cutting efficiency is low and the cutting materials are easy to splash because the cutting device only cuts from one direction and has no clamping function.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a motor-driven double-blade cutting device. The rotary motor driven double blade cutting apparatus includes: the double-finger cutter comprises a box body, a motor, a crankshaft assembly (comprising a driving plate, a driving shaft, a middle plate, a tail plate and a positioning pin), a connecting rod, a pin shaft, a rocker gland, a supporting shaft, a bolt, a bearing, a cutter clamp, a blade fixing plate, a blade driving plate, a rivet, a double-finger upper blade, a double-finger lower blade, a double-finger blade fixing plate, a double-finger blade driving plate, a blade upper guide rail and a blade lower guide rail.

The motor is positioned through a coaxial hole positioned with a tail plate of the crankshaft assembly and fixed on the box body through a bolt, an output shaft of the motor is positioned and connected with a driving plate of the crankshaft assembly, a driving shaft of the crankshaft assembly is positioned and connected with a middle plate and the driving plate through a positioning pin and fixed through a bolt, the other driving shaft of the crankshaft assembly is positioned and connected with the middle plate and the tail plate through a positioning pin and fixed through a bolt, the two driving shafts are respectively positioned with two side surfaces of the middle plate, the centers of the two driving shafts are positioned on circles which take the driving plate of the crankshaft assembly as a center and have eccentric distance as a radius and are separated by 180 degrees on two surfaces of the middle plate respectively, the crankshaft assembly is formed by combining the driving plate, the two driving shafts, the middle plate and the tail plate of the crankshaft assembly through a positioning pin and a bolt, and the. One driving shaft of the crankshaft assembly is connected with the connecting rod through a bearing, the other driving shaft of the crankshaft assembly is connected with the connecting rod through a bearing, the two connecting rods are respectively connected with the two rocking rods through bearings and pin shafts, the two rocking rods are respectively connected with the box body through a bearing and a supporting shaft, and the tool holders are respectively connected with the rocking rods through bearings and pin shafts. A cutter holder is connected to the blade fixing plate and the blade driving plate by bolts, and the blade is connected to the blade fixing plate by rivets. The double-finger upper blade and the double-finger lower blade are connected with the double-finger knife fixing plate through bolts, the blades fixed on the blade fixing plate are inserted and fixed between the double-finger upper blade and the double-finger lower blade of the double-finger knife fixing plate through the shape and size design of the blade fixing plate and the double-finger knife fixing plate, and the gaps among the blades, the upper double-finger blade and the lower double-finger blade are adjusted by changing the thickness of an adjusting sheet between the blade driving plate and the blade fixing plate so as to obtain the optimal cutting efficiency. The motor drives the crankshaft assembly to rotate, and the rotating motion is converted into the staggered reciprocating motion of the blade and the upper double-finger blade and the lower double-finger blade through the connecting rod and the rocker mechanism, so that branches or grass stalks entering a cutting area of the blade are clamped and cut by the blade and the upper double-finger blade and the lower double-finger blade, and trimming of hedges, grasslands and lawns is completed.

The specific type and parameters of the motor are selected according to specific working conditions, the electric motor, namely the motor, is connected with the electric control system through a power supply interface of the electric motor, and the hydraulic motor is connected with the hydraulic system through a liquid inlet and a liquid outlet of the hydraulic motor.

The crankshaft assembly connected with the motor consists of a driving plate, a driving shaft, a middle plate, a tail plate, a positioning pin and a bolt. The motor is positioned through a coaxial hole positioned with a tail plate of the crankshaft assembly and fixed on the box body through a bolt, an output shaft of the motor is positioned and connected with a driving plate of the crankshaft assembly, a driving shaft of the crankshaft assembly is positioned and connected with the middle plate and the driving plate through a positioning pin, the other driving shaft of the crankshaft assembly is positioned and connected with the middle plate and the tail plate through a positioning pin, the two driving shafts are positioned on two side surfaces of the middle plate respectively, the centers of the two driving shafts are positioned on two surfaces of the middle plate respectively by taking the crankshaft driving plate as the center, and the eccentric distance is positioned on a circle with a radius and is separated by 180 degrees, the crankshaft assembly is formed by combining the two driving shafts, the driving plate, the middle plate and the tail plate of the crankshaft assembly with the coaxial hole of the box body connected with the motor, and the crankshaft assembly is driven to.

One driving shaft of the crankshaft assembly is connected with a connecting rod through a bearing, the other driving shaft of the crankshaft is connected with the connecting rod through a bearing, the two connecting rods are respectively connected with the two rocking rods through a bearing and a pin shaft, the two rocking rods are respectively connected with the box body through a bearing and a supporting shaft, the two tool holders are respectively connected with the rocking rods through a bearing and a pin shaft, and the rotating motion of the crankshaft assembly is converted into the reciprocating staggered motion of the two tool holders on the rocking rods through the connecting rods on the crankshaft assembly and the rocking rods connected with the connecting rods.

The two respective tool holders are connected with the blade fixing plate and the blade driving plate through bolts, the double-finger blade fixing plate and the double-finger blade driving plate are connected, the blades are fixed on the blade fixing plate through rivets, and the upper double-finger blade and the lower double-finger blade are fixed on the double-finger blade fixing plate through bolts. The blade, the upper double-finger blade and the lower double-finger blade are overlapped in the vertical direction to clamp and cut branches and grass stems, the blade, the upper double-finger blade and the lower double-finger blade are respectively driven by the two tool holders to do reciprocating staggered motion, in a cutting space formed by the blade, the upper double-finger blade and the lower double-finger blade, the lower double-finger blade and the lower double-finger blade alternately reciprocate, the branches and the stems entering the cutting space are clamped and cut in two directions, and trimming of hedges and lawns is completed.

The cutter holder is clamped between the blade fixing plate and the blade driving plate and is connected with the adjusting pad, and the thickness of the adjusting plate is changed to adjust the gap between the blade and the upper double-finger blade and the gap between the blade and the lower double-finger blade which are overlapped in the vertical direction, so that the optimal cutting efficiency is obtained.

The upper double-finger guide rail and the lower double-finger guide rail are respectively fixed above and below the fixed plate extending out of the box body and used for supporting and guiding the upper double-finger blade and the lower double-finger blade.

Drawings

Fig. 1 is an overall schematic view of a motor-driven double-blade cutting device provided by the invention.

Fig. 2 is a schematic exploded view of a motor-driven double-blade cutting device according to the present invention.

Wherein:

1, a box body; 2, a motor; 3 a crankshaft assembly; 3.1 drive plate; 3.2 driving the plate gland; 3.3 first bolt; 3.4 driving the shaft; 3.5 positioning pins; 3.6 middle plate; 3.7 tail plate; 4 a first bearing; 5, a connecting rod; 6, a rocker; 7 a second bearing; 8, a rocker gland bush; 9, a pin shaft; 10 a third bearing; 11 supporting a shaft; 12 a second bolt; 13 a tool holder; 14 a double-finger knife driving plate; 15 double-finger knife fixing plates; 16 a third bolt; 17 double-finger upper blades; 18 double-finger lower blades; 19 a fourth bolt; 20 a first rivet; 21 a blade drive plate; 22 blade securing plates; 23, a blade; 24 a second rivet; 25 double-finger upper guide rails; 26 double-finger lower guide rails; 27 fifth bolt, 28 adjustment pad.

Detailed Description

To solve the problems of the prior art, as shown in fig. 1 and 2, the present invention provides a motor-driven double-bladed hedge trimming cutting device, comprising: a box body 1; a motor 2; a crankshaft assembly 3; a drive plate 3.1; a drive plate gland 3.2; a first bolt 3.3; a drive shaft 3.4; 3.5 of a positioning pin; a middle plate 3.6; a tail plate 3.7; a first bearing 4; a connecting rod 5; a rocker 6; a second bearing 7; a rocker gland 8; a pin shaft 9; a third bearing 10; a support shaft 11; a second bolt 12; a tool holder 13; a double finger cutter drive plate 14; a double-finger cutter fixing plate 15; a third bolt 16; a double-finger upper blade 17; a double-finger lower blade 18; a fourth bolt 19; a first rivet 20; a blade driving plate 21; a blade fixing plate 22; a blade 23; a second rivet 24; a double-finger upper guide rail 25; a double-finger lower guide rail 26; a fifth bolt 27; the pad 28 is adjusted.

The specific type and parameters of the motor 2 are selected according to specific working conditions, namely the motor is connected with an electric control system through a power supply interface of the motor, and the hydraulic motor is connected with a hydraulic system through a liquid inlet and a liquid outlet of the hydraulic motor.

The crankshaft assembly 3 connected with the rotary motor 2 consists of a driving plate 3.1, a driving plate gland 3.2, a first bolt 3.3, a driving shaft 3.4, a positioning pin 3.5, an intermediate plate 3.6 and a tail plate 3.7. The motor 2 is positioned by a tail plate 3.7 of the crankshaft assembly 3 and is fixed on the box body 1 by a first bolt 3.3, the output shaft of the motor 2 is positioned and connected with a driving plate 3.1 of the crankshaft 3, a driving shaft 3.4 of the crankshaft 3 is positioned and connected with an intermediate plate 3.6 and the driving plate 3.1 by a positioning pin 3.5 and is connected by the first bolt 3.3, another driving shaft 3.4 of the crankshaft assembly 3 is positioned and connected with the intermediate plate 3.6 and the tail plate 3.7 by a positioning pin 3.5, the two driving shafts 3.4 are respectively positioned on two faces of the intermediate plate 3.6 by taking a central hole of the driving plate 3.1 of the crankshaft assembly 3 as the center and on 180 degrees corresponding to a circle with eccentricity as the radius, the crankshaft assembly 3 is composed of the two driving shafts 3.4, the driving plate 3.1, the intermediate plate 3.6 and the tail plate 3.7 by a positioning pin 3.5 and a first bolt 3.3, the tail plate 3.7 of the crankshaft assembly 3 is connected with the box body 1 by a coaxial hole of the first bolt 3.7, the crankshaft component 3 is driven by the output shaft of the motor 2 to rotate in the box body 1.

One driving shaft 3.4 of the crankshaft assembly 3 is connected with a connecting rod 5 through a first bearing 4, the other driving shaft 3.4 of the crankshaft assembly 3 is connected with the connecting rod 5 through the first bearing 4, the two connecting rods 5 are respectively connected with two rocking rods 6 through a second bearing 7, a pin shaft 9 and a rocking rod gland 8, the two rocking rods 6 are respectively connected with parallel holes of the box body 1, which are connected with the crankshaft assembly 3 and the box body 1, through the second bearing 7 and a supporting shaft 11, two tool holders 13 are respectively connected with the rocking rods 7 through the second bearing 7, the pin shaft 9 and the rocking rod gland 8, and the pin shaft 9 is respectively fixed on the rocking rods 6 through the rocking rod gland 8 and a second bolt 12. The rotary motion of the crank assembly 3 is converted into the reciprocating alternate motion of two tool holders on the rocker 6 through the connecting rod 5 on the crank assembly 3 and the rocker 6 connected with the connecting rod 5.

The tool holder 13 is connected to the insert fixing plate 22, the insert driving plate 21, the double-finger-blade fixing plate 15, and the double-finger-blade driving plate 14 by third bolts 16. The blade 23 is fixed to the blade fixing plate 22 by the second rivet 24, and the double-fingered upper blade 17 and the double-fingered lower blade 18 are fixed to the double-fingered cutter fixing plate 15 by the fourth bolt 19 and the first rivet 20. The blade 23, the double-finger upper blade 17 and the double-finger lower blade 18 are overlapped in the vertical direction to clamp and cut branches and grass stalks, the blade 23, the upper double-finger blade 17 and the lower double-finger blade 18 are driven by the tool holder 13 to do corresponding reciprocating staggered movement, a cutting space is formed between the blade 23 and the upper double-finger blade 17 and the lower double-finger blade 18, and the branches and the stalks entering the cutting space are clamped and cut from two directions through the alternating reciprocating movement of the blade 23, the upper double-finger blade 17 and the lower double-finger blade 18, so that hedge and lawn trimming is completed.

The cutter holder 13 is clamped between the blade driving plate 21, the double-finger blade driving plate 14, the blade fixing plate 22 and the double-finger blade fixing plate 15, an adjusting pad 28 is connected, and the gap between the blade 23 and the upper double-finger blade 17 and the gap between the blade 23 and the lower double-finger blade 18 which are overlapped in the vertical direction are adjusted, so that the optimal cutting efficiency is obtained.

The double-finger upper guide rail 25 and the double-finger lower guide rail 26 are respectively fixed above and below a fixing plate extending out of the box body 1 and used for supporting and guiding the double-finger upper blade 17 and the double-finger lower blade 18.

The working principle of the invention is as follows: the motor 2 is fixed on the box body 1, one end of the crankshaft assembly 3 is connected with an output shaft of the motor 2, the other end of the crankshaft assembly 3 is connected with the box body 1, the crankshaft assembly 3 is connected with the connecting rod 5 through the first bearing 4, the connecting rod 5 is connected with the rocker 6 through the second bearing 7, the pin shaft 9 and the rocker gland 8, the rocker 6 is connected with the cutter holder 13 through the second bearing 7, the pin shaft 9 and the rocker gland 8, the rocker 6 is connected with the box body 1 through the third bearing 10 and the supporting shaft 11, the motor 2 provides power for the crankshaft assembly 3 through the output shaft, the crankshaft assembly 3 is made to rotate, and the driving shaft 3.4 of the crankshaft assembly 3 converts the rotating motion of the output shaft of the motor 2 into the alternate reciprocating motion of the cutter holders 13 connected with the. The cutter holder 13 forms a cutting space through the blade fixing plate 22, the double-finger cutter fixing plate 15, the blade driving plate 21 and the double-finger cutter driving plate 14, and the cutter holder 13 drives the blade 23, the double-finger upper blade 17 and the double-finger lower blade 18 to do staggered reciprocating motion in the cutting space, so that cutting of hedge branches and lawn grass stalks is completed.

According to the motor-driven double-blade cutting device, the crankshaft assembly, the connecting rod, the rocker, the tool holder, the blade fixing plate, the double-finger blade fixing plate, the blade, the double-finger upper blade, the double-finger lower blade, the blade driving plate and the double-finger blade driving plate are structurally connected, so that the rotary motion of the motor is converted into clamping and cutting of the blade, the double-finger upper blade and the double-finger lower blade on hedgerow branches and lawn stalks simultaneously, the cutting efficiency is high, cutting materials are not splashed and are convenient to collect, and the cutting device can replace the existing hedgerow and lawn trimming technology. Thus, the motor driven double knife cutting apparatus is an efficient hedge and lawn clipping apparatus.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, improvement and the like can be made within the spirit and principle of the present invention. Are intended to be included within the scope of the present invention.

Claims

1. A motor-driven double-bladed cutting device, comprising: the cutter comprises a box body, a motor, a crankshaft assembly, a driving plate gland, a first bolt, a driving shaft, a positioning pin, an intermediate plate, a tail plate, a first bearing, a connecting rod, a rocker, a second bearing, a rocker gland, a pin shaft, a third bearing, a supporting shaft, a second bolt, a cutter holder, a double-finger cutter driving plate, a double-finger cutter fixing plate, a third bolt, a double-finger upper blade, a double-finger lower blade, a fourth bolt, a first rivet, a cutter blade driving plate, a cutter blade fixing plate and a cutter blade; the motor provides power to the crankshaft assembly through an output shaft to enable the crankshaft assembly to rotate, a driving shaft of the crankshaft assembly converts the rotating motion of the output shaft of the motor into alternate reciprocating motion of two tool holders connected with a rocker through a connecting rod and the rocker, the two tool holders form a cutting space through a blade fixing plate, a double-finger tool fixing plate, a blade driving plate and a double-finger tool driving plate respectively, and the two tool holders drive the blades, the double-finger upper blades and the double-finger lower blades to do staggered reciprocating motion in the cutting space respectively.

2. A motor-driven double-bladed cutting device according to claim 1, characterized in that: the box body is connected with the motor through bolts.

3. A motor-driven double-bladed cutting device according to claim 1, characterized in that: the crankshaft assembly connected with the motor consists of a driving plate, a driving plate gland, a first bolt, a driving shaft, a positioning pin, a middle plate and a tail plate, the motor is positioned with the tail plate of the crankshaft assembly and fixed on a box body through the first bolt, an output shaft of the motor is positioned and connected with the driving plate of the crankshaft, the driving shaft of the crankshaft assembly is positioned and connected with the middle plate and the driving plate through the positioning pin, the other driving shaft of the crankshaft assembly is positioned and connected with the middle plate and the tail plate through the positioning pin, the two driving shafts are respectively positioned on two surfaces of the middle plate, the centers of the two driving shafts respectively use a center hole of the driving plate of the crankshaft assembly on the two surfaces of the middle plate and correspond to 180 degrees on a circle with eccentric distance as radius, the crankshaft assembly consists of the two driving shafts, the driving plate, the middle plate and the tail plate through the positioning pin, and the tail plate of the crankshaft assembly is connected, the crankshaft assembly is driven by the output shaft of the motor to rotate in the box body.

4. A motor-driven double-bladed cutting device according to claim 1, characterized in that: one driving shaft of the crankshaft assembly is connected with a connecting rod through a first bearing, the other driving shaft of the crankshaft assembly is connected with the connecting rod through the first bearing, the two connecting rods are respectively connected with the two rockers through a second bearing, a pin shaft (9) and a rocker gland, the two rockers are respectively connected with parallel holes, connected with the crankshaft assembly and the box body, of the box body through a third bearing and a supporting shaft, the two tool holders are respectively connected with the rockers through the third bearing, the pin shaft and the rocker gland, the pin shaft is respectively fixed on the rockers through the rocker gland and a second bolt, and the rotating motion of the crankshaft assembly is converted into reciprocating staggered motion of the two tool holders on the rockers through the connecting rods on the crankshaft assembly and the rocke.

5. A motor-driven double-bladed cutting device according to claim 1, characterized in that: the two tool holders are respectively connected with the blade fixing plate, the blade driving plate, the double-finger blade fixing plate and the double-finger blade driving plate through third bolts, the blade is fixed on the blade fixing plate through first rivets, the double-finger upper blade and the double-finger lower blade are fixed on the double-finger blade fixing plate through fourth bolts and second rivets, the blade, the double-finger upper blade and the double-finger lower blade are overlapped in the vertical direction to clamp and cut branches and grass stalks, the tool holders drive the blade, the upper double-finger blade and the lower double-finger blade to do corresponding reciprocating staggered movement, cutting spaces are formed among the blade, the upper double-finger blade and the lower double-finger blade, and branches and stalks entering the cutting spaces are clamped and cut from two directions through the alternate reciprocating movement of the blade, the upper double-finger blade and the lower double-finger blade, so that hedgerow and lawn trimming is completed.

6. A motor-driven double-bladed cutting device according to claim 1, characterized in that: the cutter holder is clamped on the blade driving plate, the double-finger cutter driving plate and the blade fixing plate,

An adjusting pad is connected between the double-finger knife fixing plates, and the gap between the blade and the stacked upper double-finger blade and the gap between the blade and the stacked lower double-finger blade in the vertical direction are adjusted, so that the optimal cutting efficiency is obtained.

7. A motor-driven double-bladed cutting device according to claim 1, characterized in that: the double-finger upper guide rail and the double-finger lower guide rail are respectively fixed above and below the fixing plate extending out of the box body through fifth bolts and used for supporting and guiding the double-finger upper blade and the double-finger lower blade.