CN220662935U - Plunger mechanism with hydraulic buffer for cylinder - Google Patents
Plunger mechanism with hydraulic buffer for cylinder Download PDFInfo
- Publication number
- CN220662935U CN220662935U CN202321712802.6U CN202321712802U CN220662935U CN 220662935 U CN220662935 U CN 220662935U CN 202321712802 U CN202321712802 U CN 202321712802U CN 220662935 U CN220662935 U CN 220662935U
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- cylinder
- piston rod
- cylinder piston
- ring
- piston
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- 239000000463 material Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 36
- 239000010985 leather Substances 0.000 claims description 8
- 241001272720 Medialuna californiensis Species 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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Abstract
The utility model discloses a plunger mechanism with a hydraulic buffer for a cylinder, which comprises a cylinder piston rod, wherein the bottom end of the cylinder piston rod is provided with a split snap ring through a connecting nut, the lower end of the split snap ring is provided with a connecting rod, and the lower end of the connecting rod is sequentially provided with a corrugated pipe and a metering piston; the top end of the cylinder piston rod is fixedly provided with a second check ring and a buffer cushion through an adjusting bolt; a pneumatic dustproof pull rod seal is arranged at one side of the top end of the cylinder piston rod, and an upper cylinder cover is arranged on the pneumatic dustproof pull rod seal through a nut; an adjusting washer is arranged outside the adjusting bolt; the plunger filling machine is used for sucking and filling materials, does not have a cam and does not have abrasion; and the precision of filling is ensured because the abrasion of the mechanism cam does not exist.
Description
Technical Field
The utility model belongs to the field of mechanical equipment design, and particularly relates to a plunger mechanism with a cylinder having hydraulic buffering.
Background
The existing plunger filling mode adopts a ring-shaped cam up and down mode to control the material sucking and discharging filling of the plunger. In particular, in high-speed plunger filling, the wear of the cams and rollers is very severe because lubrication is not possible, and as the wear is severe, the degree of wear varies for each plunger on the device, and the filling accuracy for each plunger also varies.
Disclosure of Invention
The utility model discloses a plunger mechanism with a hydraulic buffer for a cylinder, which aims at the problems in the prior art, and the plunger mechanism is used for sucking and filling materials of a plunger filling machine, does not have a cam and does not have abrasion.
The utility model is realized in the following way:
the plunger mechanism with the hydraulic buffering function for the cylinder is characterized by comprising a cylinder piston rod (6), wherein a split snap ring (32) is arranged at the bottom end of the cylinder piston rod (6) through a connecting nut (31), a connecting rod (33) is arranged at the lower end of the split snap ring (32), and a corrugated pipe (5) and a metering piston (3) are sequentially arranged at the lower end of the connecting rod (33);
the top end of the cylinder piston rod (6) is fixedly provided with a second check ring (25) and a cushion pad (26) through an adjusting bolt (27); a pneumatic dustproof pull rod seal (24) is arranged at one side of the top end of the cylinder piston rod (6), and an upper cylinder cover (22) is arranged on the pneumatic dustproof pull rod seal (24) through a nut (23); an adjusting washer (28) is arranged outside the adjusting bolt (27);
the pneumatic dustproof pull rod seal (24) is connected to the cylinder barrel (20), the nut (23) is connected to the stud (21), and the lower cylinder cover (12) is positioned at the lower end of the stud (21);
the middle end of the cylinder piston rod (6) is sleeved with a pneumatic pull rod seal (13), a half-moon piece (15), a cylinder piston (17), a sixth O-shaped sealing ring (18) and a first check ring (19), a leather cup (16) is arranged on the cylinder piston (17), and a fifth O-shaped sealing ring (14) is arranged on the lower cylinder cover (12); the measuring device comprises a half-moon piece (15), a cylinder piston (17), a sixth O-shaped sealing ring (18), a first check ring (19), a cylinder piston (17), a leather cup (16) and a measuring piston which is driven to move along with the cylinder piston rod (6) to move up and down;
the lower side of the middle end of the cylinder piston rod (6) is provided with a guide ring (7) and a sealing seat (11), and the guide ring (7) and the sealing seat (11) are sealed by a third O-shaped sealing ring (8), a fourth O-shaped sealing ring (9) and a screw (10). The lower cylinder cover (12) is connected with the filling main machine cylinder.
Further, piston seals (2) and first O-shaped sealing rings (1) are arranged on two sides of the bottom surface of the metering piston (3); the bellows (5) is internally provided with a second O-shaped sealing ring (4).
Further, a proximity switch bracket (29) and a proximity switch (30) are further arranged on one side of the top end of the cylinder piston rod (6), and the proximity switch (30) is arranged on the top end of the cylinder piston rod (6) through the proximity switch bracket (29).
Further, a speed stabilizing cylinder (36) is arranged at one side of the top end of the piston rod (6). An adjusting sleeve (35) is sleeved at the output shaft end of the speed stabilizing cylinder (36), and a third check ring (34) and a nut are arranged on the adjusting sleeve (35). Under the action of the pneumatic piston rod (6), the metering piston (3) moves up and down in the cylinder barrel (20) under the pneumatic control of the pneumatic piston rod (6), so that the metering piston (3) moves up and down in the external material piston barrel, and the processes of sucking and discharging are achieved.
Compared with the prior art, the utility model has the beneficial effects that:
the plunger filling machine is used for sucking and filling materials, does not have a cam and does not have abrasion;
the abrasion of the mechanism cam does not exist, so that the precision of filling is ensured;
the abrasion between the cam and the roller is avoided, and the risk that sundries generated by abrasion fall into the piston is also prevented;
the corrugated sleeve is added, and oil stains generated in the operation process of the cylinder are remained on the piston and enter the piston barrel.
Drawings
FIG. 1 is a schematic diagram of a cylinder with hydraulic cushioned plunger mechanism of the present utility model;
FIG. 2 is a schematic view of a pneumatic section side cylinder mounting according to the present utility model
The device comprises a first O-shaped sealing ring, a second O-shaped sealing ring, a 3-metering piston, a second O-shaped sealing ring, a 5-corrugated pipe, a 6-cylinder piston rod, a 7-guide ring, a third O-shaped sealing ring, a fourth O-shaped sealing ring, a 10-screw, a 11-sealing seat, a lower cylinder cover, a 13-pneumatic pull rod sealing ring, a fifth O-shaped sealing ring, a 15-half-moon piece, a 16-cup, a 17-cylinder piston, a sixth O-shaped sealing ring, a first check ring, a 20-cylinder barrel, a 21-stud, a 22-upper cylinder cover, a 23-nut, a 24-pneumatic dustproof pull rod sealing ring, a second check ring, a 26-cushion, a 27-adjusting bolt, a 28-adjusting gasket, a 29-proximity switch bracket, a 30-proximity switch, a 31-connecting nut, a 32-split check ring, a 33-connecting rod, a third check ring, a 35-adjusting sleeve and a 36-speed stabilizing cylinder.
Detailed Description
The present utility model will be described in further detail with reference to the following examples, for the purpose of making the objects, technical solutions, and effects of the present utility model more apparent. It should be noted that the detailed description herein is for purposes of illustration only and is not intended to limit the utility model.
As shown in fig. 1-2, the utility model comprises a cylinder piston rod 6, wherein the bottom end of the cylinder piston rod 6 is provided with a split snap ring 32 through a connecting nut 31, the lower end of the split snap ring 32 is provided with a connecting rod 33, and the lower end of the connecting rod 33 is sequentially provided with a corrugated pipe 5 and a metering piston 3; the top end of the cylinder piston rod 6 is fixedly provided with a second check ring 25 and a cushion pad 26 through an adjusting bolt 27; a pneumatic dustproof pull rod seal 24 is arranged on one side of the top end of the cylinder piston rod 6, and an upper cylinder cover 22 is arranged on the pneumatic dustproof pull rod seal 24 through a nut 23; an adjusting washer 28 is arranged outside the adjusting bolt 27; the pneumatic dustproof pull rod seal 24 is connected to the cylinder barrel 20, the nut 23 is connected to the stud 21, and the lower cylinder cover 12 is positioned at the lower end of the stud 21;
the middle end of the cylinder piston rod 6 is sleeved with a pneumatic pull rod seal 13, a half-moon piece 15, a cylinder piston 17, a sixth O-shaped sealing ring 18 and a first check ring 19, a leather cup 16 is arranged on the cylinder piston 17, and a fifth O-shaped sealing ring 14 is arranged on the lower cylinder cover 12; the semi-moon piece 15, the cylinder piston 17, the sixth O-shaped sealing ring 18 and the first check ring 19, the cylinder piston 17, the leather cup 16 and the cylinder piston rod 6 move up and down together to drive the metering piston to move; the lower side of the middle end of the cylinder piston rod 6 is provided with a guide ring 7 and a sealing seat 11, and the guide ring 7 and the lower cylinder cover 12 are sealed by a third O-shaped sealing ring 8, a fourth O-shaped sealing ring 9 and a screw 10; the lower cylinder head 12 is connected with a main filling machine cylinder.
The two sides of the bottom surface of the metering piston 3 are provided with a piston seal 2 and a first O-shaped sealing ring 1; a second O-shaped sealing ring 4 is arranged in the corrugated pipe 5; under the action of the pneumatic piston rod 6, the pneumatic piston rod 6 moves up and down in the cylinder barrel 20 under the pneumatic control, so that the metering piston 3 moves up and down in the external material piston barrel, and the processes of sucking and discharging are achieved.
According to the utility model, the self-made cylinder and the oil cylinder are made of all 304 materials, so that rust resistance is ensured; each plunger operates independently, so that the filling precision is ensured; the self-made buffer cylinders at both sides mainly ensure the running stability of the cylinder, and can not generate different running speeds along with the fluctuation of the air pressure of the cylinder.
The whole mechanism is arranged on a material cylinder with a piston barrel, a lower cylinder cover 12 is connected with the material cylinder, a piston seal 2 and a metering piston 3 flexibly move up and down in the piston barrel of the material cylinder, and a corrugated pipe 5 ensures that oil dirt in the cylinder does not enter the material cylinder and is clean.
When the material of the material cylinder is required to be sucked into the material cylinder piston barrel, the air inlet under the cylinder enters air, the cylinder piston rod 6, the half-moon piece 15, the leather cup 16 and the cylinder piston 17 can move upwards in the cylinder barrel 20, and when the required filling amount is reached, the movement is stopped, the material of the material cylinder enters the material cylinder piston barrel, and the material sucking process is completed.
When the material in the cylinder piston barrel needs to be filled into the bottle, under the condition of opening the external plug valve, the air inlet on the cylinder enters air, the cylinder piston rod 6, the half-moon piece 15, the leather cup 16 and the cylinder piston 17 can move downwards under the action of the cylinder barrel 20, slowly descends under the action of the speed stabilizing cylinder 36, and when the proximity switch 30 is closed, the metering piston 3 reaches the bottom, the material in the cylinder piston barrel is discharged completely, and the filling is completed.
The second check ring 25, the cushion pad 26, the adjusting bolt 27 and the adjusting washer 28 at the top of the cylinder piston rod 6 ascend and descend together, when the cushion pad 26 contacts with the external limiting block under the action of the external limiting block during ascending, the blocked pneumatic piston rod 6 continues to ascend to determine the filling quantity of the filling material.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (4)
1. The plunger mechanism with the hydraulic buffering function for the cylinder is characterized by comprising a cylinder piston rod (6), wherein a split snap ring (32) is arranged at the bottom end of the cylinder piston rod (6) through a connecting nut (31), a connecting rod (33) is arranged at the lower end of the split snap ring (32), and a corrugated pipe (5) and a metering piston (3) are sequentially arranged at the lower end of the connecting rod (33);
the top end of the cylinder piston rod (6) is fixedly provided with a second check ring (25) and a cushion pad (26) through an adjusting bolt (27); a pneumatic dustproof pull rod seal (24) is arranged at one side of the top end of the cylinder piston rod (6), and an upper cylinder cover (22) is arranged on the pneumatic dustproof pull rod seal (24) through a nut (23); an adjusting washer (28) is arranged outside the adjusting bolt (27);
the pneumatic dustproof pull rod seal (24) is connected to the cylinder barrel (20), the nut (23) is connected to the stud (21), and the lower cylinder cover (12) is positioned at the lower end of the stud (21);
the middle end of the cylinder piston rod (6) is sleeved with a pneumatic pull rod seal (13), a half-moon piece (15), a cylinder piston (17), a sixth O-shaped sealing ring (18) and a first check ring (19), a leather cup (16) is arranged on the cylinder piston (17), and a fifth O-shaped sealing ring (14) is arranged on the lower cylinder cover (12); the measuring device comprises a half moon piece (15), a cylinder piston (17), a sixth O-shaped sealing ring (18), a first check ring (19), a cylinder piston (17), a leather cup (16) and a measuring piston which is driven to move along with the cylinder piston rod (6) to move up and down;
the lower side of the middle end of the cylinder piston rod (6) is provided with a guide ring (7) and a sealing seat (11), the guide ring (7) and the lower cylinder cover (12), and the sealing seat (11) is sealed by a third O-shaped sealing ring (8), a fourth O-shaped sealing ring (9) and a screw (10); the lower cylinder cover (12) is connected with the filling main machine cylinder.
2. The plunger mechanism with the hydraulic buffer for the cylinder according to claim 1, wherein piston seals (2) and first O-shaped sealing rings (1) are arranged on two sides of the bottom surface of the metering piston (3); a second O-shaped sealing ring (4) is arranged in the corrugated pipe (5); under the action of the cylinder piston rod (6), the cylinder piston rod (6) moves up and down in the cylinder barrel (20) under the control of steam, so that the metering piston (3) moves up and down in the external material piston barrel, and the processes of sucking and discharging are achieved.
3. The plunger mechanism with hydraulic buffering for the cylinder according to claim 1, wherein a proximity switch bracket (29) and a proximity switch (30) are further arranged on one side of the top end of the cylinder piston rod (6), and the proximity switch (30) is arranged on the top end of the cylinder piston rod (6) through the proximity switch bracket (29).
4. A plunger mechanism with hydraulic buffering for a cylinder according to claim 3, characterized in that the two sides of the top end of the piston rod (6) are also provided with a speed stabilizing cylinder (36), the output shaft end of the speed stabilizing cylinder (36) is sleeved with an adjusting sleeve (35), and the adjusting sleeve (35) is provided with a third check ring (34) and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321712802.6U CN220662935U (en) | 2023-07-03 | 2023-07-03 | Plunger mechanism with hydraulic buffer for cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321712802.6U CN220662935U (en) | 2023-07-03 | 2023-07-03 | Plunger mechanism with hydraulic buffer for cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220662935U true CN220662935U (en) | 2024-03-26 |
Family
ID=90334597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321712802.6U Active CN220662935U (en) | 2023-07-03 | 2023-07-03 | Plunger mechanism with hydraulic buffer for cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220662935U (en) |
-
2023
- 2023-07-03 CN CN202321712802.6U patent/CN220662935U/en active Active
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