CN202579375U - Screw supercharging system - Google Patents
Screw supercharging system Download PDFInfo
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- CN202579375U CN202579375U CN2012202616372U CN201220261637U CN202579375U CN 202579375 U CN202579375 U CN 202579375U CN 2012202616372 U CN2012202616372 U CN 2012202616372U CN 201220261637 U CN201220261637 U CN 201220261637U CN 202579375 U CN202579375 U CN 202579375U
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- piston rod
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- oil
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Abstract
The utility model relates to a screw supercharging system, which comprises a supercharging oil cylinder, wherein the supercharging oil cylinder mainly consists of a cylinder body, a front end cover, a rear end cover, a piston and a piston rod, the front end cover and the rear end cover are respectively arranged on the front end and the rear end of the cylinder body, the periphery of the rear end of the piston rod is fixedly provided with the piston and located inside the cylinder body, and the piston rod penetrates the front end cover to extend out of the front end cover; the front end of the supercharging oil cylinder is provided with a high-pressure oil passage which communicates the inside and the outside of the cylinder body, the high-pressure oil passage is connected with a high-pressure oil cylinder through a high-pressure oil pipe, the piston rod is a hollow piston rod, a lead screw which is in transmission connection with a servo motor is sleeved inside an inner cavity of the hollow piston rod, the rear end of the lead screw is in rotating connection with the rear end cover, the front end of the lead screw stretches out of the hollow piston rod, the front end of the hollow piston rod is provided with a nut which is in threaded connection with the lead screw, and the nut slides forwards and backwards along the axis direction of the hollow piston rod. The movement of the piston rod of the supercharging oil cylinder in the screw supercharging system is driven by the lead screw, and the lead screw is driven by the servo motor, so that the adjustment precision is high, and the screw supercharging system is applicable to different high-precision punching.
Description
Technical field
The utility model relates to a kind of press, particularly a kind of screw rod pressurization system that can be applicable in the machineries such as press machine, injection machine, bender.
Background technique
Existing hydraulically powered machinery; Generally comprise high-voltage oil cylinder and pressurizing cylinder, the piston rod of pressurizing cylinder is to drive through another road hydraulic oil, when giving the high-voltage oil cylinder supercharging; In the pressurizing cylinder piston rod movement process high pressure oil is injected in the high-voltage oil cylinder, high-voltage oil cylinder piston rod high pressure low speed is moved.Seeing that the piston rod of pressurizing cylinder is to drive through another road hydraulic oil, the adjusting of its shift motion is not accurate enough, and the oil mass that causes being difficult to pressurizing cylinder supply high-voltage oil cylinder is accurately controlled, thereby reduces the precision of processing.
The model utility content
The purpose of the utility model is to overcome the deficiency that above-mentioned existing technology exists, and a kind of simple and reasonable, high pressure, high-precision screw rod pressurization system are provided, to overcome the deficiency of existing technology.
The purpose of the utility model is to realize like this.
A kind of screw rod pressurization system; Comprise the pressurizing cylinder that mainly constitutes by cylinder body, front cover, rear end cover, piston and piston rod; Forward and backward end cap is fixedly installed on the cylinder body rear and front end respectively; Piston rod rear end periphery is set with said piston and is positioned at cylinder body, and piston rod runs through front cover and extends in outside the front cover; The pressurizing cylinder front end is provided with the high-pressure oil passage that is communicated with the outside in the cylinder body; High-pressure oil passage is connected with high-voltage oil cylinder through high-pressure oil pipe; Said high-voltage oil cylinder rear and front end is respectively arranged with A pouring orifice and B pouring orifice, and the A pouring orifice is communicated with the high-pressure oil passage of pressurizing cylinder through high-pressure oil pipe; It is characterized in that: said piston rod is a hollow piston rod; Be with the screw mandrel that is in transmission connection with actuating motor in the hollow piston rod inner chamber, the rear end of screw mandrel rotates with rear end cover and is connected, and front end stretches out outside the hollow piston rod; The front end of hollow piston rod is connected with guide runner; Screw mandrel is connected with nut through screw thread, and nut is connected with guide runner, and nut promotes guide runner with the screw mandrel rotation and hollow piston rod is done the fore-and-aft direction slip.The piston rod movement of pressurizing cylinder system drives through screw mandrel in this kind of screw rod pressurization system; And screw mandrel passes through rotation angle driven by servomotor very accurately, makes its degree of regulation high; Be suitable for various highi degree of accuracy punching presses, the purposes such as precision displacement of high-accuracy displacement of high pressure and curved arc oil cylinder.Simultaneously, piston rod is a hollow piston rod, and screw mandrel is arranged in the hollow piston rod cavity, makes its structural configuration more reasonable, compact.
The purpose of the utility model can also adopt following technical measures to solve.
As scheme more specifically; Said screw rod pressurization system also comprises first oil can, first air-operated solenoid valve, hydraulic buttery valve, second oil can and second air-operated solenoid valve; First oil can is connected with hydraulic buttery valve one port with first air-operated solenoid valve respectively; The hydraulic buttery valve another port is communicated with high-pressure oil pipe through first oil pipe, and the B pouring orifice of high-voltage oil cylinder is communicated with second oil can through second oil pipe, and second oil can also is connected with second air-operated solenoid valve.
Four jiaos of places of said pressurizing cylinder sidepiece are provided with the directional post parallel with hollow piston rod, and said nut is fixedly installed on the guide runner, and guide runner slides on the directional post.
Said directional post front end is connected with dunnage, and the screw mandrel front end passes dunnage and actuating motor is in transmission connection.
Said dunnage center is provided with through hole, is provided with in the through hole with screw mandrel to be connected two fore bearings, and the exterior edge face of two fore bearings is provided with the fore bearing end cap.
The rear end cover center of said pressurizing cylinder is provided with perforate, is provided with in the perforate with the screw mandrel rear end to be connected rear bearing, and the perforate rear end is provided with the rear bearing end cap.
The beneficial effect of the utility model is following.
1, the piston rod movement of pressurizing cylinder system drives through screw mandrel in this kind of screw rod pressurization system; And screw mandrel passes through rotation angle driven by servomotor very accurately, makes its degree of regulation high; Be suitable for various highi degree of accuracy punching presses, the purposes such as precision displacement of high-accuracy displacement of high pressure and curved arc oil cylinder.Simultaneously, piston rod is a hollow piston rod, and screw mandrel is arranged in the hollow piston rod cavity, makes its structural configuration more reasonable, compact.
2, native system branch low pressure fast feed and through the adjustable at a slow speed feeding mixing of driven by servomotor screw rod high pressure composition can realize the high-precision adjustable slip of oil cylinder high pressure.
Description of drawings
Fig. 1 is the utility model one embodiment's schematic representation.
Fig. 2 is a pressurizing cylinder schematic representation among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As depicted in figs. 1 and 2; This a kind of screw rod pressurization system; Comprise the pressurizing cylinder that mainly is made up of cylinder body 1, front cover 4, rear end cover 5, piston 3 and piston rod, forward and backward end cap is fixedly installed on cylinder body 1 rear and front end respectively, and piston rod rear end periphery is set with said piston 3 and is positioned at cylinder body 1; Piston rod runs through front cover and extends in outside the front cover 4, and piston 3 peripheries are provided with oil sealing 13.The pressurizing cylinder front end is provided with the high-pressure oil passage 18 that is communicated with the outside in the cylinder body 1; High-pressure oil passage 18 is connected with high-voltage oil cylinder 20 through high-pressure oil pipe 14; Said high-voltage oil cylinder 20 rear and front ends are respectively arranged with A pouring orifice 201 and B pouring orifice 202, and A pouring orifice 201 is communicated with the high-pressure oil passage 18 of pressurizing cylinder through high-pressure oil pipe 14.Said piston rod is a hollow piston rod 2; Be with the screw mandrel 8 that is in transmission connection with actuating motor in hollow piston rod 2 inner chambers, the rear end of screw mandrel 8 rotates with rear end cover 5 and is connected, and front end stretches out outside the hollow piston rod 2; The front end of hollow piston rod 2 is connected with guide runner 6; Screw mandrel 8 is connected with nut 9 through screw thread, and nut 9 is connected with guide runner 6, and nut 9 promotes guide runner 6 with screw mandrel 8 rotations and does the fore-and-aft direction slip with hollow piston rod 2.
Said screw rod pressurization system also comprises first oil can 21, first air-operated solenoid valve 30, hydraulic buttery valve 32, second oil can 22 and second air-operated solenoid valve 31; First oil can 21 is connected with hydraulic buttery valve 32 1 ports with first air-operated solenoid valve 30 respectively; Hydraulic buttery valve 32 another port are communicated with high-pressure oil pipe 14 through first oil pipe 15; The B pouring orifice 202 of high-voltage oil cylinder 20 is communicated with second oil can 22 through second oil pipe 16, and second oil can 22 also is connected with second air-operated solenoid valve 31.
Four jiaos of said pressurizing cylinder sidepieces place is provided with the directional post 7 parallel with hollow piston rod 2, and said nut 9 is fixedly installed on the guide runner 6, and guide runner 6 slides on the directional post 7.
Said directional post 7 front ends are connected with dunnage 17, and screw mandrel 8 front ends pass dunnage 17 and are in transmission connection with actuating motor.
Said dunnage 17 centers are provided with through hole, are provided with the exterior edge face that is connected two fore bearing 10, two fore bearings 10 with screw mandrel 8 in the through hole and are provided with fore bearing end cap 11.
Said system can realize low pressure fast feed work, high pressure feeding work, and high and low pressure is mixed into to work, and its concrete working principle is following.
One, low pressure feeding working principle: when high-voltage oil cylinder 20 is in when resetting state of rest; Open first air-operated solenoid valve 30 and hydraulic buttery valve 32; Air pressure gets into first oil can 21, and hydraulic oil flows to the A pouring orifice 201 of high-voltage oil cylinder 20 fast through hydraulic buttery valve 32, realizes that oil cylinder advances fast; When turning off first air-powered electromagnetic 30, opening air-operated solenoid valve 31, air pressure gets into the B pouring orifice 202 that oil can 22 hydraulic oil flow to high-voltage oil cylinder 20 fast, realizes resetting fast.
Two, high pressure feeding working principle: when high-voltage oil cylinder 20 is in reset state of rest and screw mandrel 8 and also is in origin position; Driving pressurizing cylinder piston 3 through driven by servomotor screw mandrel 8 slides; Hydraulic oil gets into high-voltage oil cylinder 20 through high-pressure oil pipe 14; Because high-voltage oil cylinder 20 sectional areas are greater than pressurizing cylinder 1 sectional area, so realized function of increasing pressure.
Three, high and low pressure is mixed into to working principle: when high-voltage oil cylinder 20 is in reset state of rest and screw mandrel 8 and also is in origin position; Open first air-operated solenoid valve 30 and hydraulic buttery valve 32; Air pressure gets into first oil can 21; Hydraulic oil flows to the A pouring orifice 201 of high-voltage oil cylinder 20 fast through hydraulic buttery valve 32, realizes that the oil cylinder quick low voltage advances; When running into workpiece, high-voltage oil cylinder 20 can halt, and turns off second hydraulic buttery valve 32, drives pressurizing cylinder piston 3 through driven by servomotor screw mandrel 8 and slides, and hydraulic oil gets into high-voltage oil cylinder 20 through high-pressure oil pipe 14, realizes function of increasing pressure; When turning off first air-powered electromagnetic 30, open second air-operated solenoid valve 31, air pressure gets into the B pouring orifice 202 that second oil can, 22 hydraulic oil flow to high-voltage oil cylinder 20 fast, drives the slip in the other direction of pressurizing cylinder piston 3 dos through driven by servomotor screw mandrel 8 and realizes resetting.
Claims (6)
1. screw rod pressurization system; Comprise the pressurizing cylinder that mainly constitutes by cylinder body (1), front cover (4), rear end cover (5), piston (3) and piston rod; Forward and backward end cap is fixedly installed on cylinder body (1) rear and front end respectively; Piston rod rear end periphery is set with said piston (3) and is positioned at cylinder body (1), and piston rod runs through front cover and extends in outside the front cover (4);
The pressurizing cylinder front end is provided with the high-pressure oil passage (18) that is communicated with the outside in the cylinder body (1); High-pressure oil passage (18) is connected with high-voltage oil cylinder (20) through high-pressure oil pipe (14); Said high-voltage oil cylinder (20) rear and front end is respectively arranged with A pouring orifice (201) and B pouring orifice (202), and A pouring orifice (201) is communicated with the high-pressure oil passage (18) of pressurizing cylinder through high-pressure oil pipe (14);
It is characterized in that: said piston rod is hollow piston rod (2); Be with the screw mandrel (8) that is in transmission connection with actuating motor in hollow piston rod (2) inner chamber; The rear end of screw mandrel (8) rotates with rear end cover (5) and is connected; Front end stretches out outside the hollow piston rod (2), and the front end of hollow piston rod (2) is connected with guide runner (6), and screw mandrel (8) is connected with nut (9) through screw thread; Nut (9) is connected with guide runner (6), and nut (9) promotes guide runner (6) with screw mandrel (8) rotation and hollow piston rod (2) is done the fore-and-aft direction slip.
2. screw rod pressurization system according to claim 1; It is characterized in that: said screw rod pressurization system also comprises first oil can (21), first air-operated solenoid valve (30), hydraulic buttery valve (32), second oil can (22) and second air-operated solenoid valve (31); First oil can (21) is connected with hydraulic buttery valve (32) one ports with first air-operated solenoid valve (30) respectively; Hydraulic buttery valve (32) another port is communicated with high-pressure oil pipe (14) through first oil pipe (15); The B pouring orifice (202) of high-voltage oil cylinder (20) is communicated with second oil can (22) through second oil pipe (16), and second oil can (22) also is connected with second air-operated solenoid valve (31).
3. screw rod pressurization system according to claim 1; It is characterized in that: four jiaos of places of said pressurizing cylinder sidepiece are provided with the directional post (7) parallel with hollow piston rod (2); Said nut (9) is fixedly installed on the guide runner (6), and guide runner (6) slides on the directional post (7).
4. screw rod pressurization system according to claim 1 is characterized in that: said directional post (7) front end is connected with dunnage (17), and screw mandrel (8) front end passes dunnage (17) and is in transmission connection with actuating motor.
5. screw rod pressurization system according to claim 4; It is characterized in that: said dunnage (17) center is provided with through hole; Be provided with in the through hole with screw mandrel (8) and be connected two fore bearings (10), the exterior edge face of two fore bearings (10) is provided with fore bearing end cap (11).
6. screw rod pressurization system according to claim 1; It is characterized in that: the rear end cover of said pressurizing cylinder (5) center is provided with perforate; Be provided with in the perforate with screw mandrel (8) rear end and be connected rear bearing (19), the perforate rear end is provided with rear bearing end cap (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202616372U CN202579375U (en) | 2012-06-05 | 2012-06-05 | Screw supercharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202616372U CN202579375U (en) | 2012-06-05 | 2012-06-05 | Screw supercharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579375U true CN202579375U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202616372U Expired - Fee Related CN202579375U (en) | 2012-06-05 | 2012-06-05 | Screw supercharging system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202579375U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108535A (en) * | 2015-09-07 | 2015-12-02 | 江苏大学 | Double-working-position servo hydraulic clamp |
| CN105443456A (en) * | 2015-12-10 | 2016-03-30 | 惠州市超亿数控有限公司 | Screw rod pressure cylinder |
| CN108278242A (en) * | 2018-01-29 | 2018-07-13 | 佛山市晨舜机械设备有限公司 | A kind of electric, gas mixed piston cylinder structure |
| CN112326138A (en) * | 2020-11-09 | 2021-02-05 | 中核嘉华设备制造股份公司 | Pressure vessel leakage detection device and using method thereof |
| CN113182912A (en) * | 2021-04-28 | 2021-07-30 | 无锡君帆科技有限公司 | Cutter beating device utilizing ball screw to carry out transmission |
| WO2023123631A1 (en) * | 2021-12-30 | 2023-07-06 | 广州晶品智能压塑科技股份有限公司 | Intelligent stepping pressurized cylinder |
| CN117419683A (en) * | 2023-12-18 | 2024-01-19 | 湖北欧鑫科技有限公司 | Roadbed measuring equipment for highway construction |
-
2012
- 2012-06-05 CN CN2012202616372U patent/CN202579375U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108535A (en) * | 2015-09-07 | 2015-12-02 | 江苏大学 | Double-working-position servo hydraulic clamp |
| CN105443456A (en) * | 2015-12-10 | 2016-03-30 | 惠州市超亿数控有限公司 | Screw rod pressure cylinder |
| CN108278242A (en) * | 2018-01-29 | 2018-07-13 | 佛山市晨舜机械设备有限公司 | A kind of electric, gas mixed piston cylinder structure |
| CN112326138A (en) * | 2020-11-09 | 2021-02-05 | 中核嘉华设备制造股份公司 | Pressure vessel leakage detection device and using method thereof |
| CN113182912A (en) * | 2021-04-28 | 2021-07-30 | 无锡君帆科技有限公司 | Cutter beating device utilizing ball screw to carry out transmission |
| WO2023123631A1 (en) * | 2021-12-30 | 2023-07-06 | 广州晶品智能压塑科技股份有限公司 | Intelligent stepping pressurized cylinder |
| CN117419683A (en) * | 2023-12-18 | 2024-01-19 | 湖北欧鑫科技有限公司 | Roadbed measuring equipment for highway construction |
| CN117419683B (en) * | 2023-12-18 | 2024-04-19 | 湖北欧鑫科技有限公司 | Roadbed measuring equipment for highway construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150605 |
|
| EXPY | Termination of patent right or utility model |