CN212615699U - Speed regulating oil cylinder for sawing machine - Google Patents
Speed regulating oil cylinder for sawing machine Download PDFInfo
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- CN212615699U CN212615699U CN202021080441.4U CN202021080441U CN212615699U CN 212615699 U CN212615699 U CN 212615699U CN 202021080441 U CN202021080441 U CN 202021080441U CN 212615699 U CN212615699 U CN 212615699U
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Abstract
The utility model relates to a speed governing hydro-cylinder for sawing machine belongs to hydraulic equipment. The utility model adopts the technical proposal that: the piston rod type hydraulic cylinder is characterized in that a rear connector is arranged on the side face of the bottom in the cylinder, a front end hole is arranged on the side face of the front in the cylinder, and a throttle valve is arranged at the position of the front end hole and is communicated with the rear connector and a hydraulic source pipeline; the piston is a one-way sealing piston, the front end face of the one-way sealing piston is connected with the piston rod, a sealing groove is formed in the peripheral face of the one-way sealing piston, a 0.7mm oil passing gap is reserved between the outer diameter of the right end face and the cylinder body, an oil passing hole is formed in the sealing groove and the rear end face of the one-way sealing piston, and an O-shaped ring is installed in the sealing groove.
Description
Technical Field
The utility model relates to a speed governing hydro-cylinder for sawing machine belongs to hydraulic equipment.
Background
At present, a large sawing machine is controlled by a hydraulic system, an oil way is complex, a used hydraulic station system is large in size and high in manufacturing cost, and feeding can be effectively controlled in use, so that the processing quality is improved.
The small sawing machine is not suitable for using a large hydraulic system due to small volume, so that the manufacturing cost is increased and the occupied space is large.
The small sawing machine also needs stable feeding speed, the force applied by pushing and feeding the saw by using electrical equipment is small, the direct feeding of the electrical equipment has defects in safety, and the failure rate of the electrical equipment is high.
Disclosure of Invention
The invention provides a speed regulating oil cylinder for a sawing machine, which solves the feeding problem of a small sawing machine.
In order to achieve the above object, the utility model adopts the following technical scheme:
the speed regulating oil cylinder for the sawing machine comprises a cylinder body and a piston rod, and is characterized in that a rear connector is arranged on the side surface of the bottom in the cylinder body, a front end hole is arranged on the side surface of the front in the cylinder body, and a throttle valve is arranged at the position of the front end hole and is simultaneously communicated with the rear connector and a hydraulic source pipeline; the piston is a one-way sealing piston, the front end face of the one-way sealing piston is connected with the piston rod, a sealing groove is formed in the peripheral face of the one-way sealing piston, a 0.7mm oil passing gap is reserved between the outer diameter of the right end face and the cylinder body, an oil passing hole is formed in the sealing groove and the rear end face of the one-way sealing piston, and an O-shaped ring is installed in the sealing groove.
Preferably, the rear connector is connected with one end of a copper pipe, the front end of the copper pipe is connected with a manual ball valve, and the other port of the manual ball valve is connected with a throttle valve through a butt wire.
Preferably, the one-way sealing piston and the piston rod are tightly pressed through a hexagon nut, an O-shaped ring is arranged at the right end of the mounting surface of the one-way sealing piston and the piston rod, and a limiting sleeve is sleeved on the piston rod and is adjacent to the one-way sealing piston.
Preferably, a cylinder head through which a piston rod penetrates is arranged at the front end in the cylinder, holes are arranged at the two ends of the cylinder head and are fixed on the cylinder through retainer rings, and O-shaped rings are arranged between the cylinder body and between the cylinder body and the piston rod piece for sealing.
The utility model has the advantages that: the one-way sealing piston is adopted, sealing is realized when the lower pressure rod is pressed down, the stretching rod is conducted, and the oil cylinder is provided with a ball valve and a throttle valve, so that falling can be closed and stepless speed regulation can be realized.
The speed regulating oil cylinder of the sawing machine is matched with the pull-up spring to meet the working requirement of the sawing machine, and the sawing machine is attractive in appearance and low in cost. The pulling spring matched with the equipment plays a certain role in balancing force, and the saw blade can be lifted by a person with less force when the saw is used to the bottom. When the hand is released to open the manual ball valve, the throttle valve is adjusted to realize the uniform falling of the saw blade.
Drawings
Figure 1 is a block diagram of the present invention,
fig. 2 is a sectional view of the present invention.
Reference numerals: 1. the device comprises a cylinder body, 2, a rear connector, 3, a copper pipe, 4, a front end hole, 5, a manual ball valve, 6, a pair screw, 7, a throttle valve, 8 piston rods, 9, a hole retainer ring, 10, an O-shaped ring, 11, a one-way sealing piston, 12, a cylinder head, 13 hexagonal nuts, 14, a limiting sleeve, 15, a sealing groove, 16 and an oil passing hole.
Detailed Description
The following further describes the specific contents of the present invention:
the utility model discloses speed regulating oil cylinder for sawing machine, the structure is shown in figure 1 and figure 2, including barrel 1, piston and piston rod, characterized by, the bottom side sets up rear portion joint 2 in the barrel 1, the anterior part side sets up anterior end hole 4 in the barrel 1, the position of anterior end hole 4 is installed with the choke valve and is linked rear portion joint 2 and hydraulic source pipeline simultaneously; the piston is a one-way sealing piston, the front end face of the one-way sealing piston is connected with the piston rod, a sealing groove is formed in the peripheral face of the one-way sealing piston, a 0.7mm oil passing gap is reserved between the outer diameter of the right end face and the cylinder body 1, an oil passing hole is formed in the sealing groove and the rear end face of the one-way sealing piston, and an O-shaped ring is installed in the sealing groove. Oil passing gaps are reserved between the groove bottom and the groove width of the sealing groove and the O-shaped ring, and the gaps are about 2 mm.
The front end in the cylinder is provided with a cylinder head 12 through which a piston rod penetrates, two ends of the cylinder head 12 are provided with holes and fixed on the cylinder by using retainer rings, and O-shaped rings are arranged between the cylinder body and the cylinder and between the cylinder body and the piston rod piece for sealing.
The rear connector 2 is connected with one end of a copper pipe 3, the front end of the copper pipe is connected with a manual ball valve 5, and the other port of the manual ball valve is connected with a throttle valve through a butt wire.
The one-way sealing piston 17 and the piston rod are tightly pressed through a hexagon nut, an O-shaped ring is arranged at the right end of the mounting surface of the one-way sealing piston and the piston rod 8, and a limiting sleeve 14 is sleeved on the piston rod 8 and is adjacent to the one-way sealing piston 11.
The using method of the device comprises the following steps: the piston rod 8 moves to the leftmost end, the inner cavity is filled with oil, when the piston rod 8 moves out rightwards, the O-shaped ring in the sealing groove of the one-way sealing piston 17 is attached to the left surface of the sealing groove under the action of friction force, one part of the oil in the right cavity of the one-way sealing piston 17 flows into the left cavity along the clearance hole, and the other part of the oil flows into the left cavity along the front end hole, the throttle valve, the manual ball valve, the copper pipe and the rear joint. The piston rod 8 is pressed in and moves to the left, the O-shaped ring is attached to the right of the sealing groove of the single one-way sealing piston under the action of friction force, oil in the left cavity flows into the sealing groove along the clearance hole to act on the O-shaped ring, and the larger the oil pressure is, the larger the acting force is, and the sealing is realized. The oil in the left cavity flows into the right cavity through the rear connector, the copper pipe, the manual ball valve, the throttle valve 2 and the front end hole, and the oil mass can be adjusted through the throttle valve 7 to realize speed regulation.
Claims (4)
1. A speed regulation oil cylinder for a sawing machine comprises a cylinder body (1), a piston and a piston rod, and is characterized in that a rear connector (2) is arranged on the side surface of the bottom in the cylinder body (1), a front end hole (4) is arranged on the side surface of the front in the cylinder body (1), and a throttle valve is arranged at the position of the front end hole (4) and is simultaneously communicated with the rear connector (2) and a hydraulic source pipeline; the piston is a one-way sealing piston, the front end face of the one-way sealing piston is connected with the piston rod, a sealing groove is formed in the peripheral face of the one-way sealing piston, a 0.7mm oil passing gap is reserved between the outer diameter of the right end face and the cylinder body (1), oil passing holes are formed in the sealing groove and the rear end face of the one-way sealing piston, and an O-shaped ring is installed in the sealing groove.
2. The speed regulating oil cylinder for the sawing machine as claimed in claim 1, wherein the rear connector (2) is connected with one end of a copper pipe (3), the front end of the copper pipe is connected with a manual ball valve (5), and the other end port of the manual ball valve is connected with a throttle valve through a butt wire.
3. The speed regulating oil cylinder for the sawing machine as claimed in claim 1, wherein the one-way sealing piston and the piston rod are tightly pressed through a hexagon nut, an O-shaped ring is arranged at the right end of the mounting surface of the one-way sealing piston and the piston rod (8), and a limiting sleeve (14) is sleeved on the piston rod (8) and is adjacent to the one-way sealing piston (11).
4. The governor cylinder for the sawing machine as claimed in claim 1, wherein the front end of the interior of the cylinder body is provided with a cylinder head (12) through which the piston rod passes, both ends of the cylinder head (12) are provided with holes and fixed on the cylinder body by using retaining rings, and O-rings are arranged between the cylinder body and between the cylinder body and the piston rod member for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080441.4U CN212615699U (en) | 2020-06-12 | 2020-06-12 | Speed regulating oil cylinder for sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080441.4U CN212615699U (en) | 2020-06-12 | 2020-06-12 | Speed regulating oil cylinder for sawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615699U true CN212615699U (en) | 2021-02-26 |
Family
ID=74717195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021080441.4U Active CN212615699U (en) | 2020-06-12 | 2020-06-12 | Speed regulating oil cylinder for sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615699U (en) |
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2020
- 2020-06-12 CN CN202021080441.4U patent/CN212615699U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221101 Address after: No. 9, Brother Road, Industrial Park, Mengzhuang Town, Shizhong District, Zaozhuang, Shandong 277101 Patentee after: Shandong Lihong Intelligent Equipment Co.,Ltd. Address before: 277100 Industrial Park, Mengzhuang Town, Shizhong District, Zaozhuang City, Shandong Province Patentee before: Shandong Tianyuan Hydraulic Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |