Progressive tray conveying device for large cylinders

Abstract

A large cylinder progressive type tray conveying device comprises two transverse fixing seats and two fixing plates which are installed on a machine tool body, the two fixing plates are located at one ends of the fixing seats, a transmission shaft is installed between the two fixing plates, one end of the transmission shaft is connected with a motor, and a conveying chain wheel is installed on the transmission shaft. Conveying chain wheels are installed on the inner side of the other end of the fixing base through a conveying chain tensioning base, and a conveying chain is installed between the two conveying chain wheels. Linear guide rails are installed on the upper portions of the two fixing bases respectively, sliding tables are slidably installed on the two sliding tables through sliding blocks, and the lower sides of the sliding tables are connected with conveying chains; a shifting fork and a shifting fork cylinder are mounted on the sliding table; the shifting fork cylinder is connected with the rear end of the shifting fork; a tray roller way used for placing a cylinder tray is installed on the fixing base and located above the linear guide rail. The progressive tray conveying device for the large cylinder bodies is high in automation degree, capable of achieving multi-position stopping of cylinder body conveying, high in positioning precision and capable of meeting the requirement of a user for the cleaning technology of a cylinder body production line.

Description

Technical Field

[0001] The invention relates to the technical field of engine cylinder production. Background Art

[0002] In the engine cylinder production line, the cylinder needs to be transported to the cleaning station for cleaning. The cleaning machine on the large engine cylinder production line usually adopts surge cleaning. The traditional cylinder conveying device places the cylinder on the conveyor belt and transports it to the surge cleaning station. However, the cylinder usually needs to stop during the conveying process for operation, such as loading and unloading, installing height compensation pads, etc. The traditional cylinder conveying method cannot achieve multi-position stop and high-precision positioning of the cylinder, and thus cannot meet the process requirements such as positioning, conveying and cleaning. Summary of the invention

[0003] In order to solve the above-mentioned problems existing in the conveying mode of the traditional cylinder cleaning machine, the present invention provides a large cylinder progressive pallet conveying device.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: a large-scale cylinder progressive pallet conveying device, comprising two horizontal fixed seats 7 and two fixed plates 3 installed on the machine tool body, the two fixed plates 3 are located at one end of the fixed seat 7, a transmission shaft 4 is installed between the two fixed plates 3, one end of the transmission shaft 4 is connected to the motor 33, a conveying sprocket 32 ​​is installed on the transmission shaft 4, the conveying sprocket 32 ​​is installed on the inner side of the other end of the fixed seat 7 through a conveying chain tensioning seat 16, and a conveying chain 5 is installed between the two conveying sprockets 32; linear guide rails 13 are respectively installed on the upper parts of the two fixed seats 7, and the slide 10 is slidably installed on the two slides 10 through a slider, and the lower side of the slide 10 is connected to the conveying chain 5; a fork 12 and a fork cylinder 11 are installed on the slide 10, and the fork cylinder 11 is connected to the rear end of the fork 12; a pallet roller 31 for placing the cylinder pallet 26 is installed on the fixed seat 7 above the linear guide rail 13.

[0005] Two groups of latch cylinders 30 are symmetrically installed on the two fixing seats 7 corresponding to the stop positions of the cylinder trays 26 . The latch cylinders 30 are installed on the fixing seats 7 through latch cylinder fixing plates 28 . The latch cylinders 30 are connected to the latches 29 .

[0006] A group of pallet positioning blocks 262 are respectively installed at both ends of the upper side of the pallet body 261 of the cylinder pallet 26, and the pallet positioning blocks 262 are provided with holes matching the pins 29. A cylinder support pad 264 and a cylinder positioning pin 263 corresponding to the cylinder hole position are installed on the upper side of the pallet body 261, and pads 265 are respectively installed at both ends of the lower side of the pallet body 261. A fork positioning block 266 is installed in the middle of the lower side of the pallet body 261, and the fork positioning block 266 is provided with a notch matching the fork.

[0007] The outer side of the fixing seat 7 is installed with a 0-position in-place switch 17, a 0-position back-moving deceleration switch 18, a 1-position feeding deceleration switch 19, a 1-position in-place switch 20, a 1-position back-moving deceleration switch 21, a 2-position feeding deceleration switch 22 and a 2-position in-place switch 23.

[0008] One end of the transmission shaft 4 is connected to the reducer 1 through the transmission sprocket 9 and the transmission chain 2 , and the reducer 1 is connected to the motor 33 .

[0009] A 0-position dead stop block 6 is provided at one end of the inner side of the fixing seat 7, and a 2-position dead stop block 14 is installed at the other end of the inner side of the fixing seat 7. The 0-position dead stop block 6 and the 2-position dead stop block 14 are fixed on the machine tool body.

[0010] A protective cover 15 is installed on the fixing seat 7 and located on the upper part of the linear guide rail 12 .

[0011] The large cylinder progressive pallet conveying device of the present invention has a high degree of automation, can realize multi-position stops during cylinder transportation, and has high positioning accuracy, and can meet the user's cylinder production line cleaning process requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view of the large engine cylinder conveying and cleaning device of the present invention.

[0013] Figure 2 It is a stereoscopic diagram of a large engine cylinder conveying and cleaning device of the present invention.

[0014] Figure 3 It is an exploded structural diagram of a large engine cylinder conveying device and a cylinder tray of the present invention.

[0015] Figure 4 It is a structural diagram of the cylinder tray of the present invention.

[0016] Figure 5 It is a structural diagram of the cylinder tray of the present invention.

[0017] Figure 6 It is a structural diagram of a large engine cylinder conveying device of the present invention.

[0018] In the figure: 1. reducer, 2. transmission chain, 3. fixed plate, 4. transmission shaft, 5. conveyor chain, 6. 0-position dead stop, 7. fixed seat, 8. drag chain, 9. transmission sprocket, 10. slide, 11. fork drive cylinder, 12. fork, 13. linear guide, 14. 2-position dead stop, 15. guard, 16. conveyor chain tensioner, 17. 0-position in-place switch, 18. 0-position reverse deceleration switch, 19. 1-position feed deceleration switch, 20. 1-position in-place switch, 21. 1 position back-up deceleration switch, 22, 2 position feed deceleration switch, 23, 2 position in-position switch, 24, manipulator, 25, conveying device, 26, cylinder pallet, 261, pallet body, 262, pallet positioning block, 263, cylinder positioning pin, 264, cylinder support pad, 265, pad, 266, fork positioning block, 27, height compensation pad, 28, latch cylinder mounting plate, 29, latch, 30, latch cylinder, 31, pallet track, 32, conveyor sprocket, 33, motor. DETAILED DESCRIPTION

[0019] The cleaning machine surges in the cleaning station of a large engine cylinder production line. The process requires the cylinder to stop at multiple positions, such as Figure 1 As shown, the cylinder body is required to be placed on the pallet at 3 precise positions:

[0020] Position 0: Robot loading and unloading station;

[0021] Position 1: Automatic loading and unloading station for height compensation pads;

[0022] Position 2: Surge cleaning station.

[0023] Action cycle:

[0024] Feeding: Parts to be cleaned, position 0 (loading) → position 1 (compensation pad installation) → position 2 (surge cleaning);

[0025] Discharging: After cleaning, position 2 (surge cleaning) → position 1 (remove the compensation pad) → position 0 (discharging).

[0026] like Figure 2 As shown, the progressive conveying device 25 is placed under the cylinder tray 26 and fixed on the machine tool body, driving the cylinder tray 26 to perform three position conversions (0 position → 1 position → 2 position → 1 position → 0 position) to complete the cleaning process requirements.

[0027] The large cylinder progressive pallet conveying device of the present invention is as follows Figure 3 and Figure 6As shown, it includes two horizontal fixing seats 7 and two fixing plates 3 installed on the machine tool body, the two fixing plates 3 are located at one end of the fixing seats 7, a transmission shaft 4 is installed between the two fixing plates 3, one end of the transmission shaft 4 is connected to the reducer 1 through the transmission sprocket 9 and the transmission chain 2, the reducer 1 is connected to the motor 33, a conveying sprocket 32 ​​is installed on the transmission shaft 4, the inner side of the other end of the fixing seat 7 is installed with the conveying sprocket 32 ​​through the conveying chain tensioning seat 16, and a conveying chain 5 is installed between the two conveying sprockets 32; linear guide rails 13 are installed on the upper parts of the two fixing seats 7 respectively. The slide 10 is installed on the two slides 10 through a sliding block. The lower side of the slide 10 is connected to the conveying chain 5. The conveying chain 5 is driven by the motor 33 to drive the slide 10 to move. The fork 12 and the swing fork cylinder 11 are installed on the slide 10. The fork cylinder 11 is connected to the rear end of the fork 12. The swing fork 12 is driven by the cylinder 11 to insert and disengage the fork and the fork positioning block 266 on the cylinder tray 26. The tray roller 31 for placing the cylinder tray 26 is installed on the fixed seat 7 above the linear guide rail 13. Two sets of latch cylinders 30 are symmetrically installed on the two fixed seats 7 corresponding to the stop position of the cylinder tray 26. The latch cylinder 30 is installed on the fixed seat 7 through the latch cylinder fixing plate 28, and the latch cylinder 30 is connected to the latch 29. The fixed seat 7 is provided with a 0 position in-place switch 17, a 0 position back-down deceleration switch 18, a 1 position feeding deceleration switch 19, a 1 position in-place switch 20, a 1 position back-down deceleration switch 21, a 2 position feeding deceleration switch 22 and a 2 position in-place switch 23 on the outside. The slide 10 is decelerated or stopped by the 0 position in-place switch 17, the 0 position back-down deceleration switch 18, the 1 position feeding deceleration switch 19, the 1 position in-place switch 20, the 1 position back-down deceleration switch 21, the 2 position feeding deceleration switch 22 and the 2 position in-place switch 23. A 0 position dead stop 6 is provided at one end of the inner side of the fixed seat 7, and a 2 position dead stop 14 is installed at the other end of the inner side of the fixed seat 7. The 0 position dead stop 6 and the 2 position dead stop 14 are fixed on the machine tool body. A protective cover 15 is installed on the fixed seat 7 at the upper part of the linear guide 12. The reducer drives the shift fork 12 through the transmission chain 2, the transmission shaft 4, the conveying chain 5 and the slide 10 to drive the cylinder tray 26 forward or backward.

[0028] like Figure 4 and Figure 5 As shown, a group of pallet positioning blocks 262 are respectively installed at both ends of the upper side of the pallet body 261 of the cylinder pallet 26, and the pallet positioning blocks 262 are provided with holes matching the latch pins 29, a cylinder support pad 264 and a cylinder positioning pin 263 corresponding to the cylinder hole are installed on the upper side of the pallet body 261, a pad 265 is respectively installed at both ends of the lower side of the pallet body 261, and a fork positioning block 266 is installed in the middle of the lower side of the pallet body 261, and a notch matching the fork is provided on the fork positioning block 266. The fork cylinder 11 drives the fork 12 to insert and disengage from the notch of the fork positioning block 266 on the cylinder pallet 26.

[0029] The cylinder support 26 is placed on the pallet roller 31 and driven by the progressive conveying device to perform three position conversions. A pallet latch positioning mechanism is provided at position 0 (loading and unloading station) and position 1 (height compensation pad loading and unloading station) to ensure positioning accuracy.

[0030] Working process:

[0031] The cylinder body is loaded by the robot and positioned on the pallet. The machine tool program issues a command and the work begins:

[0032] Feeding:

[0033] →0 position tray latch cylinder moves, latch returns→

[0034] →The reduction motor starts (forward), driving the shift fork 12 to drive the cylinder tray 26 to move forward to position 1→

[0035] →Slide 10 moves forward, switch 19 senses and issues a command, and the reducer decelerates through the inverter →

[0036] → Slide 10 moves forward, switch 20 senses, issues a command, the reducer stops and brakes, the pallet reaches position 1 → → The pallet latch cylinder at position 1 moves, the latch is positioned →

[0037] →The cylinder height compensation pad mechanism is activated, and the cylinder height compensation pad is placed on the cylinder and then returned →

[0038] →1st position pallet latch cylinder moves, latch returns →

[0039] →The reduction motor 1 starts (forward), driving the shift fork 12 to drive the cylinder tray forward to position 2 →

[0040] →Slide 10 moves forward, switch 22 senses and issues a command, and the reducer decelerates and moves slowly through the inverter →

[0041] → Slide 10 moves forward, switch 23 senses, issues a command, the reducer stops and brakes, and the pallet reaches position 2 → → Cylinder 11 moves, driving the fork 12 to rotate and disengage from the cylinder pallet fork positioning groove (feeding is completed) →

[0042] →Reduction motor 1 starts (reverse) →

[0043] → Slide 10 moves backward, driving the fork device to stop at position 1 (saving cycle time) →

[0044] →Close the surge chamber door and clean it. After cleaning, open the door and issue a command →

[0045] Material collection:

[0046] →The reduction motor 1 starts (forward), the slide 10 moves forward, driving the fork device to move forward to position 2→

[0047] →Slide 10 moves forward, switch 22 senses and issues a command, and the reducer decelerates and moves slowly through the inverter →

[0048] → Slide 10 moves forward, switch 23 senses, issues a command, the reducer stops and brakes, and the fork reaches position 2 → → Cylinder 11 moves, driving the fork 12 to rotate and insert into the cylinder pallet fork positioning slot →

[0049] →Reduction motor 1 starts (reverses), driving the pallet to move back to position 1→

[0050] → Slide 10 moves backward, switch 21 senses and issues a command, and the reducer decelerates and moves slowly through the inverter →

[0051] → Slide 10 moves backward, switch 20 senses, issues a command, the reducer stops and brakes, the pallet reaches position 1 → → The pallet latch cylinder at position 1 moves, the latch is positioned →

[0052] →The cylinder height compensation pad mechanism moves, grabbing and returning the cylinder height compensation pad→

[0053] →1st position pallet latch cylinder moves, latch returns →

[0054] →Reduction motor 1 starts (reverses), driving the pallet to move back to position 0→

[0055] → Slide 10 moves backward, switch 18 senses and issues a command, and the reducer decelerates and moves slowly through the inverter →

[0056] → Slide 10 moves backward, switch 17 senses, issues a command, the reducer stops and brakes, the pallet reaches position 1 → → The pallet latch cylinder at position 0 moves, the latch is positioned →

[0057] →The robot moves to take the cleaned cylinder to the next station.

[0058] At this point, the tray progressive conveying device completes the work content required by the process and waits for the next work cycle.

[0059] The present invention is described by way of embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the protection scope of the present invention.

Claims

1. A large cylinder progressive pallet conveying device, characterized in that: The machine tool comprises two transverse fixing seats (7) and two fixing plates (3) installed on the main body of the machine tool, the two fixing plates (3) are located at one end of the fixing seats (7), a transmission shaft (4) is installed between the two fixing plates (3), one end of the transmission shaft (4) is connected to a motor (33), a conveying sprocket (32) is installed on the transmission shaft (4), the inner side of the other end of the fixing seat (7) is installed with a conveying sprocket (32) through a conveying chain tensioning seat (16), and a conveying chain is installed between the two conveying sprockets (32). (5); linear guide rails (13) are respectively installed on the upper parts of the two fixed seats (7); the slide table (10) is slidably installed on the two slide tables (10) through a slider, and the lower side of the slide table (10) is connected to the conveying chain (5); a shift fork (12) and a shift fork cylinder (11) are installed on the slide table (10), and the shift fork cylinder (11) is connected to the rear end of the shift fork (12); a tray roller (31) for placing a cylinder tray (26) is installed on the fixed seat (7) above the linear guide rail (13).

2. A large cylinder progressive pallet conveying device according to claim 1, characterized in that: Two groups of latch cylinders (30) are symmetrically mounted on the two fixing seats (7) corresponding to the stop positions of the cylinder trays (26); the latch cylinders (30) are mounted on the fixing seats (7) via latch cylinder fixing plates (28); and the latch cylinders (30) are connected to latch pins (29).

3. A large cylinder progressive pallet conveying device according to claim 2, characterized in that: A group of tray positioning blocks (262) are respectively installed at both ends of the upper side of the tray body (261) of the cylinder tray (26), and the tray positioning blocks (262) are provided with holes matching the latch pins (29). A cylinder support pad (264) and a cylinder positioning pin (263) corresponding to the cylinder hole position are installed on the upper side of the tray body (261), and pads (265) are respectively installed at both ends of the lower side of the tray body (261). A fork positioning block (266) is installed in the middle of the lower side of the tray body (261), and a notch matching the fork is provided on the fork positioning block (266).

4. A large cylinder progressive pallet conveying device according to claim 1, characterized in that: The outer side of the fixing seat (7) is equipped with a 0-position in-place switch (17), a 0-position back-moving deceleration switch (18), a 1-position feeding deceleration switch (19), a 1-position in-place switch (20), a 1-position back-moving deceleration switch (21), a 2-position feeding deceleration switch (22) and a 2-position in-place switch (23).

5. The large cylinder progressive pallet conveying device according to claim 1, characterized in that: One end of the transmission shaft (4) is connected to a reducer (1) via a transmission sprocket (9) and a transmission chain (2), and the reducer (1) is connected to a motor (33).

6. The large cylinder progressive pallet conveying device according to claim 1, characterized in that: A 0-position dead stop block (6) is provided at one end of the inner side of the fixed seat (7), and a 2-position dead stop block (14) is installed at the other end of the inner side of the fixed seat (7); the 0-position dead stop block (6) and the 2-position dead stop block (14) are fixed on the machine tool body.

7. The large cylinder progressive pallet conveying device according to claim 1, characterized in that: A protective cover (15) is installed on the fixing seat (7) and located on the upper part of the linear guide rail (12).

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