CN220717706U

CN220717706U - Automatic assembly machine for special harvesting chain of combine harvester

Info

Publication number: CN220717706U
Application number: CN202322371007.1U
Authority: CN
Inventors: 熊家帮
Original assignee: Ivy's Transmission System Suzhou Co ltd
Current assignee: Ivy's Transmission System Suzhou Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-05
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses an automatic assembly machine for a special harvesting chain of a combine harvester, which comprises a workbench, wherein a motor is arranged on one side of the top end of the workbench, a belt pulley is arranged at one end of the workbench, a large gear is arranged at one end of the belt pulley, a positioning plate is arranged at one end of a mounting frame, a control structure is arranged at the bottom end of the mounting frame, and a detection structure is arranged at one end of the workbench. According to the utility model, one end of the mounting frame is pressed on the workbench, after the inner and outer chain links of the standard chain are conveyed to the position of the assembled accessory piece by the mechanical feeding mechanism, the inner chain link is fixed forwards by the positioning plate and supported by the stop block, the accessory piece is pushed by the feeding plate to move from the blanking opening to the position, the lower guide positioning striker moves upwards to string the inner chain link and the accessory piece, the upper die striker pushes down the chain part pin shaft to be assembled into the chain, and the mounting is completed, so that the automatic assembly machine of the special harvesting chain of the combine harvester is convenient for automatic continuous assembly with high efficiency and stable quality.

Description

Automatic assembly machine for special harvesting chain of combine harvester

Technical Field

The utility model relates to the technical field of chain processing, in particular to an automatic chain assembly machine special for harvesting of a combine harvester.

Background

The chain is generally a metal chain ring or ring, is used as mechanical transmission and traction, is used for blocking a chain-shaped object of a traffic channel, such as a street, river or estuary entrance, or is used for mechanical transmission, the chain is divided into four types of transmission chains, conveying chains, traction chains and special chains according to different purposes and functions, and an automatic assembly machine refers to mechanical equipment which combines a plurality of parts of a product together in a manner of tight fit, clamping, threaded connection, bonding, riveting, welding and the like to obtain a finished product meeting preset dimensional precision and function, and the assembly realized by manually processing each part can be strictly called manual assembly, and the assembly which is completed without manually processing the parts can be called automatic assembly. Between the two are semi-automatic assemblies.

However, the existing automatic chain assembling machine special for harvesting of the combine harvester still has some problems, and the specific problems are as follows:

1. the automatic assembly machine for the special harvesting chain of the combine harvester has the advantages that the automatic continuous assembly efficiency is high, the quality is stable, the production efficiency is required to be improved when the device works, the labor intensity of operators is lightened, the PLC program is adopted to control and detect the sensor, the quality problems of reverse assembly of the direction of the accessory chain sheet and wrong assembly of the arrangement sequence can be completely avoided, the running state of the equipment is accurately detected by adopting an absolute encoder, and the automatic assembly machine can be timely detected and stopped when abnormal running occurs, so that damage to a machine die and personnel is avoided.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an automatic assembly machine for a special harvesting chain of a combine harvester, which is used for solving the defects that the automatic assembly machine for the special harvesting chain of the existing combine harvester is difficult to automatically and continuously assemble, and has high efficiency and stable quality.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the automatic chain assembling machine for combine harvester includes one work bench;

a motor is arranged on one side of the top end of the workbench, an internal reset spring of the workbench is arranged on one end of the workbench, and a belt pulley is arranged on one end of the workbench;

a large gear is arranged at one end of the belt pulley, a manual gear is arranged at the top end of the large gear, a cam is arranged at one side of the workbench, a crank is arranged at the top end of the cam, and a mounting rack is arranged at the top end of the workbench;

the feeding device comprises a mounting frame, a feeding port is arranged at the top end of the mounting frame, a feeding structure is arranged at one end of the mounting frame, the feeding structure comprises a positioning plate, an upper die striker, a feeding plate and a lower guide positioning striker, the positioning plate is arranged at one end of the mounting frame, a control structure is arranged at the bottom end of the mounting frame, and a detection structure is arranged at one end of the workbench.

When the device is used, firstly, the whole machine mainly works in a power detection mechanical structure mode, an alternating current motor provides motive power, the motive power is transmitted to a large belt pulley through a triangle belt to conduct first speed reduction, the large belt pulley drives a small gear to rotate through a transmission shaft, the small gear transmits the motive power to the large gear to conduct second speed reduction, a large gear shaft is connected with the transmission shaft to drive a plurality of cams on the device to rotate, the cams circumferentially rotate to push a plurality of turning hands on the device to swing, the turning hands are connected with a linear slide rail push plate to conduct linear reciprocating motion, and finally, a mechanism of each station is driven to achieve feeding and press fitting functions.

Preferably, the bottom of workstation installs the stabilizer blade, and the stabilizer blade is equidistant the range in the bottom of workstation, and the stabilizer blade can support the device.

Preferably, the control structure comprises a first stop block, a second stop block and a third stop block, wherein the first stop block is arranged at the top end of the mounting frame, the second stop block is arranged on one side of the first stop block, the third stop block is arranged on one side of the second stop block, whether the first stop block is fed into the standard pin shaft and the lower outer chain piece or not is controlled and selected by a lower cylinder, whether the second stop block is fed into the standard upper outer chain piece or not is controlled and selected by the lower cylinder, and whether the third stop block is fed into the accessory chain piece or not is controlled and selected by the lower cylinder.

Preferably, an upper die striker is arranged at the top end of the positioning plate, a lower guide positioning striker is arranged at the bottom end of the upper die striker, a feeding plate is arranged at one side of the positioning plate, after an inner chain link and an outer chain link of a chain standard are conveyed to the position of an assembly accessory piece by a mechanical feeding mechanism, the positioning plate forwards fixes the inner chain link and is supported by a stop block, the feeding plate pushes the accessory piece to move from a blanking opening to a position, the lower guide positioning striker upwards moves to string the inner chain link and the accessory piece, and the upper die striker downwards presses a pin roll of a chain part to be assembled into the chain, so that the assembly is completed.

Preferably, a clamping groove is formed in one side of the feeding plate, a clamping block is arranged in one side of the positioning plate, and the feeding plate and the positioning plate form a clamping structure which is convenient to assemble and disassemble.

Preferably, the detection structure comprises a transmission shaft, an encoder and a set screw, the encoder is arranged at one end of the workbench, the transmission shaft is arranged at one end of the workbench, the set screw is arranged at the top end of the transmission shaft, the belt wheel drives the absolute encoder to synchronously rotate when the transmission shaft of the equipment rotates, the PLC of the equipment monitors the running angle of the equipment through the absolute encoder, and the PLC of the equipment cooperates with the position detector of each moving slide block, so that when the equipment or the mechanism is damaged, a stop instruction is timely given once the moving time sequence of any moving slide block of the equipment and the main shaft of the equipment is not in time, and the damage of a mechanical die and the injury to operators can be reduced when the equipment or the mechanism is timely stopped.

Preferably, the external screw threads are uniformly arranged on the outer side wall of the fixing screw, the internal screw threads matched with the external screw threads are uniformly arranged on the inner side wall of the transmission shaft, the fixing screw is in threaded connection with the transmission shaft, and the transmission shaft can be installed through the fixing screw.

(III) beneficial effects

The automatic chain assembly machine special for harvesting of the combine harvester has the advantages that: through pressing at the workstation one end at the mounting bracket, the inside and outside chain link of chain standard is transported to the equipment annex piece position by mechanical feeding mechanism after, and the locating plate is preceding to fix interior chain link and by the dog support, and the feeding plate promotes the annex chain piece to remove from the feed opening in place, and lower guide location is hit the son and is upwards moved and link in line with annex chain piece, goes up the mould and hit the son and push down the chain part round pin axle and pack into the chain, accomplishes the installation to reach the special automatic assembly machine of harvesting of combine harvester and be convenient for automatic continuous assembly efficient, the stable quality's purpose.

The automatic chain assembling machine for the harvesting special for the combine harvester is characterized in that a first stop block is arranged at one end of the mounting frame, the first stop block is used for controlling and selecting whether to send a standard pin shaft and a lower outer chain piece through a lower air cylinder, the second stop block is used for controlling and selecting whether to send a standard upper outer chain piece through the lower air cylinder, the third stop block is used for controlling and selecting whether to send an accessory chain piece through the lower air cylinder, the program chain accessory piece arrangement and combination mode of the equipment PLC is set, and the actions of the stop blocks are controlled to realize the program arrangement and combination, so that the aim of conveniently controlling the automatic chain assembling machine for the harvesting special for the combine harvester is achieved.

Through installing the transmission shaft in the one end of workstation, when the equipment transmission shaft rotated, from this shape band pulley drive absolute encoder synchronous rotation, the running angle of equipment was monitored constantly through absolute encoder to the PLC program controller of equipment, cooperates the position detector of each motion slider, when equipment or mechanism damage, once detect the motion time sequence of arbitrary department motion slider of equipment and equipment main shaft and in time give out the instruction of shutting down when not being different, in time shut down can reduce mechanical mould's damage and the injury to operating personnel to this reaches the special chain automatic assembly machine of combine harvester's reaping and is convenient for improve the purpose of device security.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional enlarged structure of a control structure according to the present utility model;

FIG. 4 is a schematic view of a partial three-dimensional structure of a charging structure of the present utility model;

FIG. 5 is a schematic view of a partial three-dimensional structure of a detection structure according to the present utility model.

Reference numerals in the drawings illustrate: 1. a work table; 2. a support leg; 3. a belt pulley; 4. a return spring; 5. a cam; 6. a large gear; 7. a turning handle; 8. a manual gear; 9. a feed inlet; 10. a mounting frame; 11. a motor; 12. a control structure; 1201. a first stopper; 1202. a second stopper; 1203. a third stopper; 13. a charging structure; 1301. a positioning plate; 1302. an upper die striker; 1303. a feeding plate; 1304. positioning the striker in a lower guide way; 14. a detection structure; 1401. a transmission shaft; 1402. an encoder; 1403. and (5) fixing a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the automatic chain assembling machine for combine harvester includes one work bench 1.

The motor 11 is installed to one side on workstation 1 top, and stabilizer blade 2 is installed to the bottom of workstation 1, and stabilizer blade 2 is equidistant the range in the bottom of workstation 1.

The inside reset spring 4 of workstation 1, reset spring 4's shape is spiral, and belt pulley 3 is installed to the one end of workstation 1.

A large gear 6 is arranged at one end of the belt pulley 3, a manual gear 8 is arranged at the top end of the large gear 6, a cam 5 is arranged at one side of the workbench 1, a crank 7 is arranged at the top end of the cam 5, and a mounting frame 10 is arranged at the top end of the workbench 1.

The feed inlet 9 is installed on the top of mounting bracket 10, and charging structure 13 is installed to the one end of mounting bracket 10, and charging structure 13 includes locating plate 1301, goes up mould and hits the ware 1302, feeding plate 1303 and down guide location and hit the ware 1304, and the locating plate 1301 is installed in the one end of mounting bracket 10, and go up mould and hit the ware 1302 is installed on the top of locating plate 1301, and lower guide location is hit the ware 1304 is installed to the bottom of going up mould and hit the ware 1302, and feeding plate 1303 is installed to one side of locating plate 1301.

In the first embodiment, after the standard inner and outer links of the chain are conveyed to the position of the assembled accessory piece by the mechanical feeding mechanism, the positioning plate 1301 fixes the inner link forward and is supported by the stop block, the feeding plate 1303 pushes the accessory piece to move from the blanking port to the position, the lower guiding positioning striker 1304 moves upwards to connect the inner link and the accessory piece in series, the upper die striker 1302 pushes the chain part pin shaft to be installed into the chain to finish the installation, the power of the whole machine mainly works is detected in a mechanical structure mode, the alternating current motor 11 provides motive power to transmit the motive power to the large belt pulley 3 for first speed reduction, the large belt pulley 3 drives the pinion to rotate by the transmission shaft 1401, the pinion transmits the motive power to the large gear 6 for second speed reduction, the large gear shaft is connected with the transmission shaft 1401 to drive a plurality of cams 5 on the equipment to rotate, the cams 5 rotate circumferentially to push a plurality of turning hands 7 on the equipment to swing, the turning hands 7 are connected with the linear slide rail to reciprocate linearly, and finally drive the mechanism of each station to realize the feeding and pressing functions, the reset spring 4 applies elasticity to enable the cams 5 to always keep the cams 5 to move synchronously with the transmission shaft 8 after being pushed to the bottom dead center, and the reset spring always rotates the reset spring to enable the cams 8 to rotate synchronously with the transmission shaft, and the hand wheel 8 rotates slowly when the equipment rotates, and the hand wheel is required to rotate the equipment is adjusted to rotate for the position of the equipment.

The control structure 12 is installed at the bottom end of the mounting frame 10, and the control structure 12 includes a first stopper 1201, a second stopper 1202 and a third stopper 1203, the first stopper 1201 is installed at the top end of the mounting frame 10, the second stopper 1202 is installed at one side of the first stopper 1201, and the third stopper 1203 is installed at one side of the second stopper 1202.

In the second embodiment, first stop block 1201 selects whether to feed the standard pin shaft and the lower outer link through the control of the lower cylinder, second stop block 1202 selects whether to feed the standard upper outer link through the control of the lower cylinder, third stop block 1203 selects whether to feed the accessory link through the control of the lower cylinder, and the program of the accessory link arrangement form is set through the device PLC program, so that the actions of the stop blocks are controlled to realize the programmed chain arrangement combination.

The detection structure 14 is installed to the one end of workstation 1, and detection structure 14 includes transmission shaft 1401, encoder 1402 and fixed screw 1403, and encoder 1402 installs the one end at workstation 1, and the one end at workstation 1 is installed to transmission shaft 1401, and fixed screw 1403 is installed on the top of transmission shaft 1401, evenly is provided with the external screw thread on the lateral wall of fixed screw 1403, evenly is provided with the internal screw thread mutually supporting with the external screw thread on the inside wall of transmission shaft 1401, and fixed screw 1403 is threaded connection with transmission shaft 1401.

In a third embodiment, when the transmission shaft 1401 of the device rotates, the belt wheel drives the absolute encoder 1402 to rotate synchronously, the PLC program controller of the device monitors the running angle of the device through the absolute encoder 1402 in real time, and cooperates with the position detector of each moving slide block, when the device or the mechanism is damaged, a stop command is timely given when detecting that the moving time sequence of any moving slide block of the device and the main shaft of the device is different, and the damage of a mechanical die and the injury to an operator can be reduced by timely stopping.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The automatic chain assembly machine special for harvesting of the combine harvester comprises a workbench (1);

the method is characterized in that:

a motor (11) is arranged on one side of the top end of the workbench (1), an internal reset spring (4) of the workbench (1), and a belt pulley (3) is arranged at one end of the workbench (1);

a large gear (6) is arranged at one end of the belt pulley (3), a manual gear (8) is arranged at the top end of the large gear (6), a cam (5) is arranged at one side of the workbench (1), a turning handle (7) is arranged at the top end of the cam (5), and a mounting rack (10) is arranged at the top end of the workbench (1);

the feeding device is characterized in that the top end of the mounting frame (10) is provided with a feeding port (9), one end of the mounting frame (10) is provided with a feeding structure (13), the feeding structure (13) comprises a positioning plate (1301), an upper die striker (1302), a feeding plate (1303) and a lower guide positioning striker (1304), the positioning plate (1301) is arranged at one end of the mounting frame (10), the bottom end of the mounting frame (10) is provided with a control structure (12), and one end of the workbench (1) is provided with a detection structure (14).

2. The automatic assembly machine for harvesting-specific chains of a combine harvester according to claim 1, characterized in that: the bottom of workstation (1) is installed stabilizer blade (2), and stabilizer blade (2) are equidistant the range in the bottom of workstation (1).

3. The automatic assembly machine for harvesting-specific chains of a combine harvester according to claim 1, characterized in that: the control structure (12) comprises a first stop block (1201), a second stop block (1202) and a third stop block (1203), wherein the first stop block (1201) is arranged at the top end of the mounting frame (10), the second stop block (1202) is arranged on one side of the first stop block (1201), and the third stop block (1203) is arranged on one side of the second stop block (1202).

4. The automatic assembly machine for harvesting-specific chains of a combine harvester according to claim 1, characterized in that: an upper die striker (1302) is arranged at the top end of the positioning plate (1301), a lower guide positioning striker (1304) is arranged at the bottom end of the upper die striker (1302), and a feeding plate (1303) is arranged on one side of the positioning plate (1301).

5. The automatic assembly machine for harvesting-specific chains of a combine harvester according to claim 4, characterized in that: one side of the feeding plate (1303) is provided with a clamping groove, one side of the positioning plate (1301) is provided with a clamping block, and the feeding plate (1303) and the positioning plate (1301) form a clamping structure.

6. The automatic assembly machine for harvesting-specific chains of a combine harvester according to claim 1, characterized in that: the detection structure (14) comprises a transmission shaft (1401), an encoder (1402) and a fixing screw (1403), wherein the encoder (1402) is arranged at one end of the workbench (1), the transmission shaft (1401) is arranged at one end of the workbench (1), and the fixing screw (1403) is arranged at the top end of the transmission shaft (1401).

7. The automatic assembly machine for harvesting-specific chains of a combine harvester according to claim 6, characterized in that: external threads are uniformly arranged on the outer side wall of the fixed screw (1403), internal threads matched with the external threads are uniformly arranged on the inner side wall of the transmission shaft (1401), and the fixed screw (1403) is in threaded connection with the transmission shaft (1401).