CN205207294U - Lead screw pressurized cylinder - Google Patents
Lead screw pressurized cylinder Download PDFInfo
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- CN205207294U CN205207294U CN201521020339.4U CN201521020339U CN205207294U CN 205207294 U CN205207294 U CN 205207294U CN 201521020339 U CN201521020339 U CN 201521020339U CN 205207294 U CN205207294 U CN 205207294U
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- cylinder
- oil cylinder
- screw mandrel
- oil
- stage supercharging
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Abstract
The utility model provides a lead screw pressurized cylinder, includes at least a set of lead screw pneumatic cylinder subassembly, this lead screw pneumatic cylinder subassembly includes one through a servo motor driven lead screw and a hydro -cylinder, nut and the hydro -cylinder plunger of lead screw is connected and with hydro -cylinder plunger synchronous motion, move through an oil cylinder drive execution plunger. The utility model discloses a lead screw cylinder is as drive assembly, and this lead screw cylinder passes through the cooperation and the multistage setting of lead screw and hydro -cylinder, can realize that the holding capacity is big to executive component's accurate control, more does benefit to to realize the control to this driver part of hydro -cylinder through integrated control system, does benefit to the automatic operation that realizes whole equipment, and the nature controlled is stronger, and is more energy -conserving.
Description
Technical field
The utility model relates to hydraulic driving technical field.
Background technique
In employing Driven by Hydraulic Cylinder process equipment, in order to reach Quick-pressurizing and increase stressed requirement step by step, generally connected by multiple oil hydraulic cylinder, classification performs oil hydraulic cylinder, the pressurization control precision defendant of this structural type.
Summary of the invention
For the problems referred to above, the utility model provide a kind of control accuracy high, manipulate screw mandrel pressurized cylinder easily.
A kind of screw mandrel pressurized cylinder, comprise at least one group of screw mandrel hydraulic pressure cylinder assembly, this screw mandrel hydraulic pressure cylinder assembly comprises one by the screw mandrel of driven by servomotor and an oil cylinder, the nut of screw mandrel be connected with Cylinder Plunger and with Cylinder Plunger synchronizing moving, perform plunger action by hydraulic oil cylinder driving one.
Wherein, described screw mandrel hydraulic pressure cylinder assembly is one-level pressurizing pack and two-stage supercharging assembly two groups, is communicated with between the oil cylinder in two groups of screw mandrel hydraulic pressure cylinder assemblies by oil circuit.
And described oil circuit is communicated with the top of oil cylinder in the bottom of oil cylinder in one-level pressurizing pack and two-stage supercharging assembly.
Improve as to the one of such scheme, described execution plunger is installed in the oil cylinder of two-stage supercharging assembly, lays respectively at the oil cylinder two ends of two-stage supercharging assembly with Cylinder Plunger in two-stage supercharging assembly.
Improve as to the another kind of such scheme, described execution plunger is installed in an execution oil cylinder, performs oil cylinder and is communicated with the oil cylinder in two-stage supercharging assembly by oil circuit.
Wherein, the oil cylinder in two-stage supercharging assembly or perform oil cylinder and the oil cylinder in a two-stage supercharging assembly or the hydraulic oil of discharging when performing cylinder efficient and the oil cylinder in two-stage supercharging assembly or perform when oil cylinder resets and provide the energy storage component of certain reset power to be communicated with.
And described energy storage component comprises a cylinder body, the oil cylinder of inferior part of the cylinder block and two-stage supercharging assembly or perform oil cylinder and be communicated with, in cylinder body, be provided with one can the piston of easy slide, is provided with the spring that is in compressive state between piston and cylinder body top.
The utility model adopts screw mandrel cylinder as driven unit, and this screw mandrel cylinder coordinating and multistage setting by screw mandrel and oil cylinder, the accurate control to power unit can be realized, strength is large, be more conducive to by the control of integrated control system realization to this driver part of oil cylinder, be beneficial to the automated job realizing whole equipment, handling stronger, more energy-conservation.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one structural representation.
Fig. 2 is the utility model embodiment two structural representation.
Embodiment
The utility model to be explained in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that.
Embodiment one:
As shown in Figure 1.The screw mandrel pressurized cylinder that the present embodiment discloses comprises one-level pressurizing pack A and two-stage supercharging assembly B two-stage screw mandrel hydraulic pressure cylinder assembly, and connects an execution oil cylinder 21 outward at two-stage supercharging assembly B, performs oil cylinder 21 and connects an energy storage component 3.
Specifically, one-level pressurizing pack A and two-stage supercharging assembly B includes the screw mandrel 11 driven by actuating motor (not shown) and an oil cylinder 12, the nut 13 of screw mandrel 11 be connected with Cylinder Plunger 14 and with Cylinder Plunger 14 synchronizing moving, when screw mandrel 11 is by rotating under driven by servomotor, lead to Cylinder Plunger 14 by the moving belt of feed screw nut 13 to move, time oil cylinder 12 in hydraulic oil formed high pressure oil export.In one-level pressurizing pack A, the bottom of oil cylinder is communicated with the top of oil cylinder in two-stage supercharging assembly B by oil circuit.Perform in oil cylinder 21 and an execution plunger 2 is installed, perform oil cylinder 21 and be communicated with the oil cylinder in two-stage supercharging assembly B by oil circuit.
Further, oil cylinder 21 is performed with a hydraulic oil of discharging when performing oil cylinder 21 and working and provide the energy storage component 3 of certain reset power to be communicated with when performing oil cylinder and resetting.This energy storage component 3 comprises a cylinder body 31, and cylinder body 31 bottom is communicated with the oil cylinder in two-stage supercharging assembly B, and in cylinder body 31, be provided with one can the piston 32 of easy slide, is provided with the spring 33 that is in compressive state between piston 32 and cylinder body 31 top.
During work, first be that one-level pressurizing pack A screw mandrel drive nut and Cylinder Plunger under driven by servomotor move, hydraulic oil enters in the oil cylinder in two-stage supercharging assembly B by oil circuit, then two-stage supercharging assembly B starts working, being pressurizeed further by hydraulic oil in two-stage supercharging assembly B oil cylinder to enter performs in oil cylinder 21, drives and performs plunger 2 action.Meanwhile, the hydraulic oil performed in oil cylinder 21 enters in the cylinder body 31 in energy storage component 3, and spring 33 compresses further.During reset, first for driving the actuating motor of two-stage supercharging assembly B to rotate backward, the Cylinder Plunger in two-stage supercharging assembly B is driven to move reset, spring 33 simultaneously in energy storage component 3 discharges the potential energy of compression, hydraulic oil in cylinder body 31 is oppositely entered perform in oil cylinder 21, and execution plunger 2 is resetted.After Cylinder Plunger in two-stage supercharging assembly B resets, drive the actuating motor of one-level pressurizing pack A work to start reversion, drive one-level pressurizing pack A Cylinder Plunger to reset.
When one-level pressurizing pack A and two-stage supercharging assembly B is arranged, one-level pressurizing pack A can be set to Quick-pressurizing form, two-stage supercharging assembly B is set to the supercharging likeness in form of repressurize pressure after one-level pressurizing pack A performs, the two is only the difference between adopted screw mandrel and nut pitch, long screw lead Thread can be adopted for one-level pressurizing pack A, long screw lead Thread can fast moving nut, and two-stage supercharging assembly B can adopt short screw lead Thread, short screw lead Thread nut travelling speed is comparatively slow, but mobile more accurate.Further, by appropriate design one-level pressurizing pack A oil cylinder and the useful area ratio performing oil cylinder 21, fast approaching action is accomplished.The useful area ratio (if being 1:10) that two-stage supercharging assembly B oil cylinder performs oil cylinder 21 is rationally set, makes execution oil cylinder 21 reach the slow-motion flexing movement that presses down of high thrust, workpiece is bent.In this course of action, the power suffered by screw mandrel of two-stage supercharging assembly B is 1:10 with performing the thrust ratio that exports of oil cylinder 21, but movement speed is than being 10:1, this fall greatly the end to screw mandrel and the requirement being installed on the bearing on screw mandrel, cost has fallen at the end, and operation precision then improves 10 times (if the error of screw rod transmission unit length is 10, the driving error then performing the unit length of oil cylinder 21 is 1), and the energy needed for backhaul is the energy be stored in course of exerting pressure in energy storage component, the present embodiment bar folder is than traditional bender more efficient energy-saving.
Embodiment two:
As shown in Figure 2.The present embodiment and embodiment one difference perform oil cylinder 21 for eliminating, and are directly installed in the oil cylinder in two-stage supercharging assembly B by execution plunger 2.Be specially: execution plunger 2 is directly installed in the oil cylinder of two-stage supercharging assembly B, perform Cylinder Plunger in plunger 2 and two-stage supercharging assembly B and lay respectively at the oil cylinder two ends of two-stage supercharging assembly B.Energy storage component 3 is directly communicated with the oil cylinder of two-stage supercharging assembly B.
This embodiment's working procedure and embodiment one all similar, have identical technique effect, do not repeat at this.
Be more than specific implementation of the present utility model, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection domain of the present utility model.
Claims (7)
1. a screw mandrel pressurized cylinder, it is characterized in that, comprise at least one group of screw mandrel hydraulic pressure cylinder assembly, this screw mandrel hydraulic pressure cylinder assembly comprises one by the screw mandrel (11) of driven by servomotor and an oil cylinder (12), the nut (13) of screw mandrel be connected with Cylinder Plunger (14) and with Cylinder Plunger synchronizing moving, perform plunger (2) action by hydraulic oil cylinder driving one.
2. screw mandrel pressurized cylinder according to claim 1, is characterized in that, described screw mandrel hydraulic pressure cylinder assembly is one-level pressurizing pack and two-stage supercharging assembly two groups, is communicated with between the oil cylinder in two groups of screw mandrel hydraulic pressure cylinder assemblies by oil circuit.
3. screw mandrel pressurized cylinder according to claim 2, is characterized in that, described oil circuit is communicated with the top of oil cylinder in the bottom of oil cylinder in one-level pressurizing pack and two-stage supercharging assembly.
4. screw mandrel pressurized cylinder according to claim 3, is characterized in that, described execution plunger (2) is installed in the oil cylinder of two-stage supercharging assembly, lays respectively at the oil cylinder two ends of two-stage supercharging assembly with Cylinder Plunger in two-stage supercharging assembly.
5. screw mandrel pressurized cylinder according to claim 3, is characterized in that, described execution plunger is installed in an execution oil cylinder (21), performs oil cylinder and is communicated with the oil cylinder in two-stage supercharging assembly by oil circuit.
6. the screw mandrel pressurized cylinder according to claim 4 or 5, it is characterized in that, the oil cylinder in two-stage supercharging assembly or perform oil cylinder and the oil cylinder in a two-stage supercharging assembly or the hydraulic oil of discharging when performing cylinder efficient and the oil cylinder in two-stage supercharging assembly or perform and provide the energy storage component (3) of certain reset power to be communicated with when oil cylinder resets.
7. screw mandrel pressurized cylinder according to claim 6, it is characterized in that, described energy storage component comprises a cylinder body (31), the oil cylinder of inferior part of the cylinder block and two-stage supercharging assembly or perform oil cylinder and be communicated with, in cylinder body, be provided with one can the piston (32) of easy slide, is provided with the spring (33) that is in compressive state between piston and cylinder body top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020339.4U CN205207294U (en) | 2015-12-10 | 2015-12-10 | Lead screw pressurized cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020339.4U CN205207294U (en) | 2015-12-10 | 2015-12-10 | Lead screw pressurized cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN205207294U true CN205207294U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020339.4U Active CN205207294U (en) | 2015-12-10 | 2015-12-10 | Lead screw pressurized cylinder |
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| CN (1) | CN205207294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443456A (en) * | 2015-12-10 | 2016-03-30 | 惠州市超亿数控有限公司 | Screw rod pressure cylinder |
-
2015
- 2015-12-10 CN CN201521020339.4U patent/CN205207294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443456A (en) * | 2015-12-10 | 2016-03-30 | 惠州市超亿数控有限公司 | Screw rod pressure cylinder |
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