CN210387370U - Handheld steel bar cutting machine - Google Patents
Handheld steel bar cutting machine Download PDFInfo
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- CN210387370U CN210387370U CN201921006805.1U CN201921006805U CN210387370U CN 210387370 U CN210387370 U CN 210387370U CN 201921006805 U CN201921006805 U CN 201921006805U CN 210387370 U CN210387370 U CN 210387370U
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Abstract
The utility model discloses a handheld bar cutter, hydraulic transmission device and operating means have, hydraulic transmission device includes the pump body, plunger pump subassembly, the pump shaft, first piston, be equipped with a plurality of radial direction's plunger hole in the pump body and install plunger pump subassembly, the rotation of pump shaft is driven by power part's motor, the oil pocket is established to pump body front end, first piston is in the intracavity activity setting that produces oil, first piston is connected with the operating means transmission, the front end of first piston is equipped with return spring, the oil pocket is established to pump body rear end, be equipped with the gasbag in the oil pocket, it puts through the built-in oil circuit of the pump body to produce oil between cavity A before the chamber is located first piston and the gasbag. Compare original structure, pass through the gasbag replacement with the piston and the spring structure of oil feed intracavity for install convenient and fast more, the structure obtains great optimization, and the cost effectively reduces, has just so realized the simple and swift technological effect of simple and simple to operate of design.
Description
Technical Field
The utility model relates to a reinforcing bar operating equipment, concretely relates to handheld bar cutter.
Background
The patent of China invention patent No. CN 204276750U discloses a steel bar cutting machine with stable oil delivery, which comprises a cutting part, a hydraulic part and a power part, wherein the cutting part is axially arranged and comprises a clamp seat, a fixed knife and a movable knife, the fixed knife is fixedly arranged on the clamp seat, the movable knife is movably arranged on the clamp seat, the movable knife and the fixed knife cut off the steel bar after moving relatively, the hydraulic part comprises a pump body, a plunger pump assembly, a pump shaft, a first piston and a second piston, a plurality of plunger holes in the radial direction are arranged in the pump body to install the plunger pump assembly, the oil pumping action of the plunger pump assembly is pushed by a roller arranged on an eccentric shaft head at the front end of the pump shaft, the pump shaft is rotatably supported by the pump body, the rotation of the pump shaft is driven by a motor of the power part, an oil cavity is arranged at the front end of the pump body, the first piston is movably arranged in the oil cavity, the front end of first piston is equipped with first spring, and the oil feed chamber is established to the pump body rear end, and the second piston is in the activity setting of oil feed intracavity, and the rear end of second piston is equipped with the second spring, and the cavity A that produces oil the chamber and be located before the first piston and the cavity B that the oil feed chamber is located before the second piston pass through the switch-on of the built-in oil circuit of pump body, and the reinforcing bar cutting process is: the motor works to drive the pump shaft to rotate, a roller on an eccentric shaft head at the front end of the pump shaft pushes the plunger pump assembly, the plunger pump assembly sucks oil from the oil inlet cavity and pumps the pressure oil to the oil outlet cavity, the pressure oil pushes the first piston to push forwards, and then the cutter bar and the movable cutter are driven to move towards the direction of the fixed cutter to cut off the steel bar, oil in the cavity A in the process can directly reach the cavity B through a built-in oil way of the pump body after being compressed, and then the oil conveying action of the oil inlet cavity is completed by the second piston and the second spring.
In the structure, because the oil in the oil outlet cavity flows back to the oil inlet cavity after being extruded and output by the first piston in the pushing process, the oil transportation action of the oil inlet cavity is realized by the second piston and the second spring, and the second piston and the second spring need to be matched with each other in a good size between the second piston and the inner wall of the oil outlet cavity in the installation process, the failure of oil transportation can occur once the matching is not tight, the assembly difficulty is high, the structure is complex, the assembly efficiency is low, and the cost is high.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a design is simple and simple to operate swift handheld bar cutter.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a handheld bar cutter, hydraulic transmission device and operating means have, hydraulic transmission device includes the pump body, plunger pump subassembly, the pump shaft, first piston, be equipped with the plunger hole of a plurality of radial directions in the pump body and install the plunger pump subassembly, the pump oil action of plunger pump subassembly is promoted by the gyro wheel of installing on pump shaft front end eccentric shaft head, the rotation of pump shaft is driven by power part's motor, the oil pocket is established to the pump body front end, first piston is in the intracavity activity setting that produces oil, first piston is connected with the operating means transmission, the front end of first piston is equipped with return spring, oil feed chamber is established to the pump body rear end, characterized in that: the oil inlet cavity is internally provided with an air bag, and the cavity A positioned in front of the first piston of the oil outlet cavity is communicated with the air bag through a built-in oil way of the pump body.
The operating member includes a holder and a knife, and the first piston is connected to the knife.
The air bag is provided with a glib talker, the outer wall of the glib talker is sequentially provided with a circular snap ring, the outer diameter of the snap ring gradually increases along with the axial direction, the air bag is provided with a clamping groove matched with the glib talker, and the glib talker is arranged in the clamping groove.
The utility model discloses an original structure is compared to this kind of structure, passes through the gasbag replacement with the piston and the spring structure of oil feed intracavity for install convenient and fast more, the structure obtains great optimization, and the cost effectively reduces, has just so realized the simple and swift technological effect of simple and simple to operate of design.
The invention is further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a sectional view of an airbag according to an embodiment of the present invention.
Detailed Description
The present invention will be specifically described below by way of examples.
As shown in fig. 1 and fig. 2, the present embodiment discloses a hand-held steel bar cutting machine, which comprises a hydraulic transmission device 1 and an operating component 2, wherein the operating component 2 comprises a tool apron 22 and a knife 21, the hydraulic transmission device 1 comprises a pump body 11 and a plunger pump assembly 12, the pump comprises a pump shaft 13 and a first piston 14, wherein a plurality of plunger holes in the radial direction are formed in a pump body 11 to install a plunger pump assembly 12, the oil pumping action of the plunger pump assembly 12 is pushed by a roller installed on an eccentric shaft head at the front end of the pump shaft 13, the pump shaft 13 rotates and is driven by a motor of a power part, an oil outlet cavity 3 is formed in the front end of the pump body 11, the first piston 14 is movably arranged in the oil outlet cavity 3, the first piston 14 is connected with a knife 21, a return spring 15 is arranged at the front end of the first piston 14, an oil inlet cavity 4 is formed in the rear end of the pump body 11, an air bag 5 is arranged in the oil inlet cavity 4, and a cavity A in front of the oil outlet cavity 3 and the air bag 5 are.
Be equipped with glib 6 on the gasbag 5, be equipped with annular snap ring 61 of circle on the 6 outer walls of glib in proper order, the external diameter of snap ring 61 increases progressively along with the axial gradually, is equipped with on the gasbag 5 with glib 6 assorted draw-in groove, glib 6 puts into the draw-in groove. The structure can ensure that the connection of the oil nozzle 6 is more reliable, and the reliability of the connection of the air bag 5 and an oil way is ensured.
Adopt above-mentioned technical scheme, compare original structure, pass through gasbag 5 replacements with the piston in the oil feed chamber 4 and spring structure for installation convenient and fast more, the structure obtains great optimization, and the cost effectively reduces, has just so realized the simple and swift technological effect of simple and easy to assemble of design.
The working principle is as follows: the motor drives the pump shaft 13, the oil pumping action of the plunger pump assembly 12 is pushed by a roller arranged on an eccentric shaft head at the front end of the pump shaft 13 to realize that oil pumping enters the oil outlet cavity 3 from the oil inlet cavity 4, so that the first piston 14 is pushed to move, meanwhile, oil in the cavity A in front of the first piston 14 in the oil outlet cavity 3 enters the air bag 5 through the built-in oil way 7 of the pump body 11, the expansion of the air bag 5 is realized, after the operation is completed, the first piston 14 returns under the action of the return spring 15, at the moment, the oil in the oil outlet cavity 3 can flow back to the cavity A in front of the first piston 14, and the air bag 5 retracts to the original shape.
Claims (3)
1. The utility model provides a handheld bar cutter, hydraulic transmission device and operating means have, hydraulic transmission device includes the pump body, the plunger pump subassembly, the pump shaft, first piston, be equipped with the plunger hole of a plurality of radial directions in the pump body and install the plunger pump subassembly, the pump oil action of plunger pump subassembly is promoted by the gyro wheel of installing on pump shaft front end eccentric shaft head, the rotation of pump shaft is driven by power part's motor, the oil cavity is established to the pump body front end, first piston is in the intracavity activity setting that produces oil, first piston is connected with the operating means transmission, the front end of first piston is equipped with return spring, the oil feed chamber is established to the pump body rear end, its characterized in that: the oil inlet cavity is internally provided with an air bag, and the cavity A positioned in front of the first piston of the oil outlet cavity is communicated with the air bag through a built-in oil way of the pump body.
2. The hand-held concrete reinforcing bar cutting machine according to claim 1, wherein: the operating member includes a holder and a knife, and the first piston is connected to the knife.
3. The hand-held concrete reinforcing bar cutting machine according to claim 1, wherein: the air bag is provided with a glib talker, the outer wall of the glib talker is sequentially provided with a circular snap ring, the outer diameter of the snap ring gradually increases along with the axial direction, the air bag is provided with a clamping groove matched with the glib talker, and the glib talker is arranged in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006805.1U CN210387370U (en) | 2019-07-01 | 2019-07-01 | Handheld steel bar cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006805.1U CN210387370U (en) | 2019-07-01 | 2019-07-01 | Handheld steel bar cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210387370U true CN210387370U (en) | 2020-04-24 |
Family
ID=70352210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921006805.1U Active CN210387370U (en) | 2019-07-01 | 2019-07-01 | Handheld steel bar cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210387370U (en) |
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2019
- 2019-07-01 CN CN201921006805.1U patent/CN210387370U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210903 Address after: 325400 Kun Yang Zhen Lin Qu Cun, Pingyang County, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Xintuo Technology Co.,Ltd. Address before: 325200 Lin Nan Cun, Nan bin street, Ruian City, Wenzhou, Zhejiang Patentee before: WENZHOU JIE TUO MECHANICAL & ELECTRICAL Co.,Ltd. |