CN212868077U - Oil cylinder with quick-change pin - Google Patents
Oil cylinder with quick-change pin Download PDFInfo
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- CN212868077U CN212868077U CN202021064509.XU CN202021064509U CN212868077U CN 212868077 U CN212868077 U CN 212868077U CN 202021064509 U CN202021064509 U CN 202021064509U CN 212868077 U CN212868077 U CN 212868077U
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- oil way
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Abstract
The utility model belongs to the technical field of the hydro-cylinder technique and specifically relates to a quick change round pin hydro-cylinder. The quick-change pin oil cylinder is provided with a cylinder barrel, the cylinder barrel is provided with a piston rod assembly, the piston rod assembly comprises a main piston rod, an auxiliary piston rod and a piston, the main piston rod and the auxiliary piston rod are fixedly installed on the left side and the right side of the piston respectively, a through hole penetrating through the whole piston rod assembly is formed in the center of the piston rod assembly, and a replaceable extruding pin is arranged in the through hole. The utility model discloses simple structure, reasonable in design, it is with low costs, easy operation, the mounting hole of piston rod and the installation department screw-thread fit of extrusion round pin twist the installation department the mounting hole can adorn the extrusion round pin, only need during the dismantlement with the installation department twist out the mounting hole can, convenient operation is convenient for change the extrusion round pin, need not dismantle the hydro-cylinder, has improved work efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of the hydro-cylinder technique and specifically relates to a quick change round pin hydro-cylinder.
Background
The extrusion casting technology is a novel metal processing method with potential application prospect in the field of semi-solid processing, and the technology applies higher mechanical pressure to liquid or semi-liquid metal or alloy injected into a die cavity of a die to enable a solidified shell to generate plastic deformation, and the liquid or semi-liquid metal is timely fed under the action of isostatic pressure, so that a casting with compact structure and high mechanical property is obtained.
In the extrusion oil cylinder suitable for neutron core pulling and extrusion in the prior art, the advancing distance of the piston is fixed, so that extrusion pins of different specifications need to be replaced to achieve a better extrusion effect. At present, the extrusion pin is very complicated to replace, the oil cylinder needs to be disassembled to replace, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the quick-change pin oil cylinder is low in cost and easy to operate.
The utility model provides a technical scheme that its technical problem adopted is: a quick-change pin oil cylinder is provided with a cylinder barrel, the cylinder barrel is provided with a piston rod assembly, the piston rod assembly comprises a main piston rod, an auxiliary piston rod and a piston, the main piston rod and the auxiliary piston rod are fixedly arranged on the left side and the right side of the piston respectively, the piston is arranged in an oil cavity of the cylinder barrel in a built-in mode and divides the oil cavity into a left forward oil cavity and a right backward oil cavity, the auxiliary piston rod is fixedly arranged on the left side of the piston and extends out of the cylinder barrel, the main piston rod is fixedly arranged on the right side of the piston and extends out of the cylinder barrel;
the cylinder barrel is provided with a forward oil port and a backward oil port, the forward oil port is communicated to the forward oil cavity on the left side through a forward oil path, and the backward oil port is communicated to the backward oil cavity on the right side through a backward oil path;
the center of the piston rod assembly is provided with a through hole penetrating through the whole piston rod assembly, and a replaceable extruding pin is arranged in the through hole.
Furthermore, the left end of the extrusion pin is provided with an installation part, and the left end of the through hole of the auxiliary piston rod is provided with an installation hole in threaded fit with the installation part. The extrusion pin is arranged in the through hole of the piston rod assembly in a threaded manner, so that the replacement operation of the extrusion pin is facilitated.
Furthermore, the inner wall of the auxiliary piston rod is provided with a limiting step which is convenient for the installation of the installation part to the position.
Furthermore, the left end of the cylinder barrel is provided with a left end plate, and the forward oil port and the backward oil port are both arranged on the left end plate. Because the quick-change pin oil cylinder is embedded into the die cavity, the forward oil port and the backward oil port are both positioned on the same side of the left end plate, and the space occupied by the quick-change pin oil cylinder can be greatly reduced.
Furthermore, the advancing oil way comprises an advancing oil way I and an advancing oil way II which are communicated, the advancing oil way I is communicated with the advancing oil port, the advancing oil way II is communicated with the left advancing oil cavity, the advancing oil way I is arranged in parallel with the central axis of the cylinder barrel, and the advancing oil way II is arranged perpendicular to the central axis of the cylinder barrel; the retreating oil way comprises a retreating oil way I, a retreating oil way II, a retreating oil way III and a retreating oil way IV which are sequentially communicated, the retreating oil way I is communicated with the retreating oil port, the retreating oil way IV is communicated with the retreating oil cavity on the right side, the retreating oil way I and the retreating oil way III are both arranged in parallel with the central axis of the cylinder barrel, and the retreating oil way II and the retreating oil way IV are both arranged perpendicular to the.
Furthermore, a first fabrication hole convenient for processing the forward oil way II, a second fabrication hole convenient for processing the backward oil way II and a fourth fabrication hole convenient for processing the backward oil way III are formed in the left end plate, and a third fabrication hole convenient for processing the backward oil way IV is formed in the cylinder barrel. Because the quick change round pin hydro-cylinder sets up in the embedding mould die cavity, the cylinder volume is limited, to the pipeline of bending, not good processing, the utility model discloses be provided with the fabrication hole, the oil circuit processing of being convenient for.
Furthermore, the quick-change pin oil cylinder is provided with a water cooling device, the water cooling device comprises a water cooling ring groove, one end of the water cooling ring groove is connected with the water inlet through a water inlet pipeline, and the other end of the water cooling ring groove is connected with the water outlet through a water outlet pipeline; the water cooling ring groove is arranged on the guide sleeve, and the water inlet and the water outlet are both positioned on the left end plate; and the gland is provided with a water inlet technical hole convenient for processing a water inlet pipeline and a water outlet technical hole convenient for processing a water outlet pipeline.
The utility model has the advantages that: the utility model discloses simple structure, reasonable in design has following advantage:
(1) the mounting hole of the piston rod is in threaded fit with the mounting part of the extrusion pin, the extrusion pin can be mounted by screwing the mounting part into the mounting hole, and the mounting part is only screwed out of the mounting hole during disassembly, so that the operation is convenient, the extrusion pin is convenient to replace, the oil cylinder is not required to be disassembled, the cost is low, the operation is easy, and the working efficiency is greatly improved;
(2) the forward oil port, the backward oil port, the water inlet, the water outlet and the fourth fabrication hole are all positioned on the outer end face of the left end plate, so that the space occupied by the quick-change pin oil cylinder can be greatly reduced;
(3) the bent oil way and the bent water way are convenient to process due to the arrangement of the fabrication holes;
(4) the utility model discloses be provided with water cooling plant, can cool off the main piston rod, improve the utility model discloses a work efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a cross-sectional view of the forward oil path of the present invention;
fig. 4 is a cross-sectional view of a retreating oil passage in the present invention;
fig. 5 is a schematic view of the oil circuit of the forward oil path and the backward oil path of the present invention;
fig. 6 is a schematic view of a water cooling circuit of the reclaimed water cooling device of the present invention.
In the figure: 1. the hydraulic cylinder comprises a cylinder barrel, 2, a main piston rod, 3, an auxiliary piston rod, 4, a piston, 5, a guide sleeve, 6, a gland, 7, an extrusion pin, 8, a forward oil hole, 9, a backward oil hole, 10, a left end plate, 11, a water inlet, 12, a water outlet, 13, a forward oil way I, 14, a forward oil way II, 15, a first process hole, 16, a backward oil way I, 17, a backward oil way II, 18, a backward oil way III, 19, a backward oil way IV, 20, a second process hole, 21, a third process hole, 22, a fourth process hole, 23, a water-cooling ring groove, 24, a water inlet process hole, 25, a water outlet process hole, 31, an installation hole, 32, a limiting step and 71.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The quick-change pin oil cylinder shown in fig. 1-6 is provided with a cylinder barrel 1, the cylinder barrel 1 is provided with a piston rod assembly, the piston rod assembly comprises a main piston rod 2, an auxiliary piston rod 3 and a piston 4, the main piston rod 2 and the auxiliary piston rod 3 are respectively and fixedly arranged at the left side and the right side of the piston 4, the piston 4 is arranged in an oil cavity of the cylinder barrel 1 and divides the oil cavity into a left forward oil cavity and a right backward oil cavity, the auxiliary piston rod 3 is fixedly arranged at the left side of the piston 4 and extends out of the cylinder barrel 1, the main piston rod 2 is fixedly arranged at the right side of the piston 4 and extends out of the cylinder barrel 1, the right end of the cylinder barrel 1 is;
the cylinder barrel 1 is provided with a front oil inlet 8 and a back oil inlet 9, the front oil inlet 8 is communicated to a left front oil cavity through a front oil way, and the back oil inlet 9 is communicated to a right back oil cavity through a back oil way;
the center of the piston rod assembly is provided with a through hole which penetrates through the whole piston rod assembly, and a replaceable extruding pin 7 is arranged in the through hole.
The left end of the extrusion pin 7 is provided with a mounting part 71, and the left end of the through hole of the auxiliary piston rod 3 is provided with a mounting hole 31 which is in threaded fit with the mounting part 71.
The inner wall of the auxiliary piston rod 3 is provided with a limit step 32 which is convenient for the installation of the installation part 71 in place.
The left end of the cylinder barrel 1 is provided with a left end plate 10, and the front oil inlet 8 and the back oil inlet 9 are both arranged on the left end plate 10.
The advancing oil way comprises an advancing oil way I13 and an advancing oil way II 14 which are communicated, the advancing oil way I13 is communicated with the advancing oil port 8, the advancing oil way II 14 is communicated with the left advancing oil cavity, the advancing oil way I13 is arranged in parallel with the central axis of the cylinder barrel 1, and the advancing oil way II 14 is arranged perpendicular to the central axis of the cylinder barrel 1; the retreating oil way comprises a retreating oil way I16, a retreating oil way II 17, a retreating oil way III 18 and a retreating oil way IV 19 which are sequentially communicated, the retreating oil way I16 is communicated with the retreating oil port 9, the retreating oil way IV 19 is communicated with the retreating oil cavity on the right side, the retreating oil way I16 and the retreating oil way III 18 are both arranged in parallel with the central axis of the cylinder barrel 1, and the retreating oil way II 17 and the retreating oil way IV 19 are both arranged perpendicular to the.
The left end plate 10 is provided with a first fabrication hole 15 for processing the forward oil path II 14, a second fabrication hole 20 for processing the backward oil path II 17 and a fourth fabrication hole 22 for processing the backward oil path III 18, and the cylinder barrel 1 is provided with a third fabrication hole 21 for processing the backward oil path IV 19.
The quick-change pin oil cylinder is also provided with a water cooling device, the water cooling device comprises a water cooling ring groove 23, one end of the water cooling ring groove 23 is connected with the water inlet 11 through a water inlet pipeline, and the other end of the water cooling ring groove 23 is connected with the water outlet 12 through a water outlet pipeline; the water-cooling ring groove 23 is arranged on the guide sleeve 5, and the water inlet 11 and the water outlet 12 are both positioned on the left end plate 10; the gland 6 is provided with a water inlet technical hole 24 convenient for processing a water inlet pipeline and a water outlet technical hole 25 convenient for processing a water outlet pipeline.
The front oil port 8, the rear oil port 9, the water inlet 11, the water outlet 12 and the fourth fabrication hole 22 are all located on the outer end face of the left end plate 10.
The first technical hole 15, the second technical hole 20, the third technical hole 21, the fourth technical hole 22, the water inlet technical hole 24 and the water outlet technical hole 25 are all blocked in the working process of the quick-change pin cylinder.
The installation part 71 is screwed into the installation hole 31, so that the extrusion pin 7 can be installed, the installation part 71 only needs to be screwed out of the installation hole 31 during disassembly, the operation is convenient, the extrusion pin 7 is convenient to replace, the oil cylinder does not need to be disassembled, and the working efficiency is greatly improved.
The working process of the quick-change pin oil cylinder comprises the following steps: the oil inlet of the oil inlet 8 enters a left oil inlet cavity after passing through an oil inlet I13 and an oil inlet II 14, and pushes the piston 4 to move rightwards to move forwards; when oil enters the backward oil port 9, the oil sequentially passes through a backward oil way I16, a backward oil way II 17, a backward oil way III 18 and a backward oil way IV 19 and then enters a right backward oil cavity to push the piston 4 to move left to perform backward movement; the water inlet 11 is filled with cooling water, the cooling water enters the water cooling ring groove 23 through the water inlet pipeline, the guide sleeve 5 is cooled, the temperature of the main piston rod 2 is further reduced, and then the cooling water is discharged from the water outlet 12 through the water outlet pipeline.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (7)
1. The utility model provides a quick change round pin hydro-cylinder which characterized in that: the cylinder is provided with a cylinder barrel (1), the cylinder barrel (1) is provided with a piston rod assembly, the piston rod assembly comprises a main piston rod (2), an auxiliary piston rod (3) and a piston (4), the main piston rod (2) and the auxiliary piston rod (3) are respectively and fixedly installed on the left side and the right side of the piston (4), the piston (4) is arranged in an oil cavity of the cylinder barrel (1) in a built-in mode and divides the oil cavity into a left forward oil cavity and a right backward oil cavity, the auxiliary piston rod (3) is fixedly installed on the left side of the piston (4) and extends out of the cylinder barrel (1), the main piston rod (2) is fixedly installed on the right side of the piston (4) and extends out of the cylinder barrel (1), the right end of the cylinder barrel (1) is provided with a guide;
the cylinder barrel (1) is provided with a forward oil port (8) and a backward oil port (9), the forward oil port (8) is communicated to a left forward oil cavity through a forward oil way, and the backward oil port (9) is communicated to a right backward oil cavity through a backward oil way;
the center of the piston rod assembly is provided with a through hole penetrating through the whole piston rod assembly, and a replaceable extruding pin (7) is arranged in the through hole.
2. The quick-change pin cylinder according to claim 1, characterized in that: the left end of the extrusion pin (7) is provided with a mounting part (71), and the left end of the through hole of the auxiliary piston rod (3) is provided with a mounting hole (31) in threaded fit with the mounting part (71).
3. The quick-change pin cylinder according to claim 2, wherein: and the inner wall of the auxiliary piston rod (3) is provided with a limiting step (32) which is convenient for the installation of the installation part (71) in place.
4. The quick-change pin cylinder according to claim 1, characterized in that: the left end of the cylinder barrel (1) is provided with a left end plate (10), and the front oil inlet (8) and the back oil inlet (9) are both arranged on the left end plate (10).
5. The quick-change pin cylinder according to claim 4, wherein: the advancing oil way comprises an advancing oil way I (13) and an advancing oil way II (14) which are communicated, the advancing oil way I (13) is communicated with the advancing oil port (8), the advancing oil way II (14) is communicated with the left advancing oil cavity, the advancing oil way I (13) is arranged in parallel with the central axis of the cylinder barrel (1), and the advancing oil way II (14) is arranged perpendicular to the central axis of the cylinder barrel (1); the retreating oil way comprises a retreating oil way I (16), a retreating oil way II (17), a retreating oil way III (18) and a retreating oil way IV (19) which are sequentially communicated, the retreating oil way I (16) is communicated with the retreating oil port (9), the retreating oil way IV (19) is communicated with the retreating oil cavity on the right side, the retreating oil way I (16) and the retreating oil way III (18) are both arranged in parallel with the central axis of the cylinder barrel (1), and the retreating oil way II (17) and the retreating oil way IV (19) are both arranged perpendicular to the central axis of the.
6. The quick-change pin cylinder according to claim 5, wherein: a first fabrication hole (15) convenient for machining the advancing oil way II (14), a second fabrication hole (20) convenient for machining the retreating oil way II (17) and a fourth fabrication hole (22) convenient for machining the retreating oil way III (18) are formed in the left end plate (10), and a third fabrication hole (21) convenient for machining the retreating oil way IV (19) is formed in the cylinder barrel (1).
7. The quick-change pin cylinder according to claim 4, wherein: the quick-change pin oil cylinder is provided with a water cooling device, the water cooling device comprises a water cooling ring groove (23), one end of the water cooling ring groove (23) is connected with the water inlet (11) through a water inlet pipeline, and the other end of the water cooling ring groove (23) is connected with the water outlet (12) through a water outlet pipeline; the water-cooling ring groove (23) is arranged on the guide sleeve (5), and the water inlet (11) and the water outlet (12) are both positioned on the left end plate (10); and the gland (6) is provided with a water inlet technical hole (24) convenient for processing a water inlet pipeline and a water outlet technical hole (25) convenient for processing a water outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064509.XU CN212868077U (en) | 2020-06-10 | 2020-06-10 | Oil cylinder with quick-change pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064509.XU CN212868077U (en) | 2020-06-10 | 2020-06-10 | Oil cylinder with quick-change pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212868077U true CN212868077U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021064509.XU Active CN212868077U (en) | 2020-06-10 | 2020-06-10 | Oil cylinder with quick-change pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212868077U (en) |
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2020
- 2020-06-10 CN CN202021064509.XU patent/CN212868077U/en active Active
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