CN110480726A - A kind of adjustable plate shearing machine - Google Patents
A kind of adjustable plate shearing machine Download PDFInfo
- Publication number
- CN110480726A CN110480726A CN201810029904.5A CN201810029904A CN110480726A CN 110480726 A CN110480726 A CN 110480726A CN 201810029904 A CN201810029904 A CN 201810029904A CN 110480726 A CN110480726 A CN 110480726A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- guide sleeve
- magnet
- guide
- displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
A kind of adjustable plate shearing machine, including bracket, Cutting platform is provided on the bracket, the Cutting platform lower end is provided with cutting mechanism, the cutting mechanism includes slide, and support plate is arranged on the slide, and the support plate rear and front end has pilot hole, it is provided with guide sleeve in the pilot hole, the guide rod that guiding is realized across the guide sleeve is installed on the slide；Magnet is housed on guide rod or guide sleeve；The magnet coil is connected with guide rod bias amount control circuit；Eccentric amount control circuit contains displacement detecting circuit, which is converted to control signal by the controller being connected with displacement detecting circuit, the drive magnet after power amplifier amplifies, and realizes automatic centering of the guide rod in guide sleeve.The medicine have the advantages that structure is simple, guiding accuracy is high, reduces vibration and noise, reduces the abrasion of guide rod and guide sleeve, reduce maintenance cost.
Description
Technical field
The present invention relates to a kind of adjustable plate shearing machines, more particularly to one kind to realize that guide rod is fixed in guide sleeve by magnetic suspension
The adjustable plate shearing machine of the heart.
Background technique
Friction pair between existing adjustable plate shearing machine guide rod and guide sleeve is direct contact type, guide sleeve and guiding
Between bar there are gap, in motion process, guide sleeve and guide rod are prone to bias, and guiding accuracy is lower, vibrates and makes an uproar
Sound is larger.
Summary of the invention
The present invention mainly solves in adjustable plate shearing machine, and guide sleeve and guide rod are prone to bias, and guiding accuracy is lower,
The biggish deficiency of vibration and noise, to develop a kind of adjustable plate shearing machine of guide rod automatic centering in guide sleeve.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: a kind of adjustable plate shearing machine,
Including bracket, Cutting platform is provided on the bracket, the Cutting platform is provided with cutting groove, the Cutting platform lower end setting
There is cutting mechanism, which is characterized in that the cutting mechanism includes slide, and the slide is slidably mounted in linear guide, described
Linear guide and the cutting groove are arranged in parallel, and support plate is arranged on the slide, passes through screw rod at left and right sides of the support plate
Nut connects the screw rod that is vertically arranged, and the screw rod is installed on the slide and connection wire rod driving motor, before the support plate
Both ends have pilot hole afterwards, and guide sleeve is provided in the pilot hole, is equipped on the slide across the guide sleeve
It realizes the guide rod of guiding, cleavage block is installed in the support plate, saw cut wheel, the saw are installed on the cleavage block
Tooth cutting wheel is connected and installed in the cutting driving motor of the support plate by drive chain；
Several magnet are housed on guide rod or guide sleeve；The magnet coil is connected with guide rod bias amount control circuit
It connects；Eccentric amount control circuit contains displacement detecting circuit, and the controller being connected with displacement detecting circuit converts the displacement signal
To control signal, the drive magnet after power amplifier amplifies controls guide rod displacement.
Using the above scheme, guide rod self-centering in guide sleeve is realized by magnetic suspension, structure is simple, guiding accuracy
Height reduces vibration and noise, reduces the abrasion of guide rod and guide sleeve, reduces maintenance cost.
Preferably, displacement detecting circuit includes that several arrange the sensor on the guide bar or on guide sleeve, sensing
The displacement signal of device output is input to controller after displacement conversion circuit transformation, control signal is converted by controller, through function
Drive magnet after rate amplifier amplification controls guide rod displacement.It is opposite using sensor detection guide rod in this programme
In the displacement of guide sleeve, guide rod self-centering in guide sleeve is realized.
Preferably, displacement detecting circuit is used as test signal using pulse-width signal, tests in signal and be loaded with displacement
Information is input to controller after transformed, which is converted to control signal by controller, after power amplifier amplifies
Drive magnet controls guide rod displacement.In the present solution, sensor is not used, using pulse-width signal as test
Signal extracts displacement information from test signal, realizes guide rod self-centering in guide sleeve.
Preferably, displacement detecting circuit is by band-pass circuit, level-one amplifying circuit, differential detection circuit, demodulator circuit, low
Bandpass filter circuit successively forms, and displacement detecting circuit is using high frequency small-signal as test signal.In the present solution, not using sensing
Device extracts displacement information from test signal using high frequency small-signal as test signal, realizes guide rod in guide sleeve certainly
Dynamic centering.
Preferably, magnet is arranged symmetrically on guide rod or guide sleeve.Radial effect between guide rod and guide sleeve
Power autobalance realizes guide rod self-centering in guide sleeve.
Preferably, being equipped with bracket on guide sleeve, the magnet is rack-mount.Magnetic circuit is carried out by bracket excellent
Change.
Preferably, the magnet is electromagnet, electromagnet dress on the guide bar, on guide sleeve with electromagnet pair
Permanent magnet is housed on the position answered.The permanent magnet is bar shaped.The direction of bar permanent magnet and guide rod are relative to guide sleeve
The direction of motion it is consistent.By changing the change of flux magnetic force of electromagnet, guide rod self-centering in guide sleeve is realized；It leads
To put on be not easy to installation electromagnet when, by electromagnet dress on the guide bar, on guide sleeve on position corresponding with electromagnet
Equipped with permanent magnet, guide rod self-centering in guide sleeve is realized.
Preferably, there is axially extending bore on the guide rod, the conducting wire of electromagnet passes through from through-hole.Avoid conducting wire from leading
Conducting wire and guide sleeve collide when drawing outside to bar, the service life of extension lead.
Preferably, the magnet is electromagnet, the electromagnet on the guide sleeve, on the guide bar with electromagnet pair
Permanent magnet is housed on the position answered.The permanent magnet is bar shaped.The direction of bar permanent magnet and guide rod are relative to guide sleeve
The direction of motion it is consistent.By changing the change of flux magnetic force of electromagnet, guide rod self-centering in guide sleeve is realized；It leads
When being not easy to installation electromagnet on bar, by electromagnet on guide sleeve, on the guide bar on position corresponding with electromagnet
Equipped with permanent magnet, guide rod self-centering in guide sleeve is realized.
Therefore, real the medicine have the advantages that being controlled by guide rod bias amount control circuit guide rod displacement
Existing automatic centering of the guide rod in guide sleeve, structure is simple, and guiding accuracy is high, reduces vibration and noise, reduces guiding
The abrasion of bar and guide sleeve, reduces maintenance cost.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the invention；
Attached drawing 2 is the sectional view of Fig. 1；
Attached drawing 3 is the guide rod displacement self-test schematic diagram of embodiment one；
Attached drawing 4 is the guide rod displacement self-test schematic diagram of embodiment two；
Attached drawing 5 is the guide rod displacement self-test schematic diagram of embodiment three.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1 and Figure 2, guide sleeve 2 is provided with guide rod 5.Bracket 6 is installed, the present embodiment uses in guide sleeve 2
Upper layer and lower layer are equipped with electromagnet 7 on bracket 6.Electromagnet shown in Fig. 2 is U-shaped.Because the inductance of coil is the letter of guide rod displacement
Number, therefore the voltage at its both ends is also the function of guide rod displacement.
As shown in figure 3, the circuit is by band-pass circuit 1a, level-one amplifying circuit 2a, differential detection circuit 3a, demodulator circuit
4a, low-pass filter circuit 5a composition.In the input terminal of the Linear Power Amplifier of magnet coil, a high-frequency signal is injected as guide rod position
The test signal set, the voltage at both ends is other than acting on ohmically DC component, and there are also the high-frequency signals on inductance
AC compounent.Band-pass circuit 1a is used to extract 0 ingredient of centre frequency ω containing guide rod displacement, filters out DC voltage and 2 ω 0
Above alternating voltage.The consequential signal generally detected is fainter, it usually needs after level-one amplifying circuit 2a amplification, up and down
Two paths of signals subtracts each other to obtain the sinusoidal signal containing centre frequency ω 0 by differential subtraction circuit 3a again, whole by demodulator circuit 4a
The DC voltage of pulsation is converted to after stream, then AC signal is filtered off by low-pass filter circuit 5a, can be obtained inclined with guide rod
The proportional DC voltage of heart amount.Direct current signal containing guide rod displacement, via controller 6a and 8a-1 couples of power amplifier
Guide rod displacement carries out closed-loop control, and the controller of the present embodiment uses PID controller.
In the present embodiment, sensor is not used, using high frequency small-signal as test signal, extracts position from test signal
Information is moved, realizes guide rod self-centering in guide sleeve.
Embodiment 2:
Fig. 4 is guide rod eccentricity self-check system schematic diagram.The circuit is by biasing circuit, detection circuit and control electricity
Road three parts composition.
The signal that pulse-width signal (PWM) generating device 9a is generated is input in biasing circuit 10a, is produced in electromagnet
Raw bias magnetic field.Since electromagnet inductance coefficent is the function of guide rod displacement, the load of PWM is extracted from control electromagnet
It include guide rod displacement information in wave voltage (or electric current) ingredient.Since control electric current removes biasing in control voltage (electric current)
Outside the carrier component for the PWM that coil mutual inductance comes, there are also control electric current control electromagnet coil on generate voltage (including from
Electrification pressure).Therefore, controlling the resonance circuit 11a extraction that the voltage exported on electromagnet coil has to pass through detection system has
The PWM carrier signal of displacement information.By the signal of extraction after full-wave rectifying circuit 12a rectification, by low-pass filter circuit 5a-
2 become the low frequency signal containing guide rod displacement information.Control signal is converted to by controller again, through power amplifier 8a-2
Drive control electromagnet after amplification carries out closed-loop control to guide rod position.The controller 6a-2 of the present embodiment uses PID control
Device.
In the present embodiment, sensor is not used, using pulse-width signal as test signal, is extracted from test signal
Displacement information realizes guide rod self-centering in guide sleeve.
Embodiment 3:
In the present embodiment, sensor is housed, the position using sensor detection guide rod relative to guide sleeve on guide sleeve
It moves, realizes guide rod self-centering in guide sleeve.
Fig. 5 is guide rod eccentricity self-check system schematic diagram.Electricity routing sensor 14a, controller 6a-3, power are put
Two 8a-4 of big one 8a-3 of device and power amplifier, displacement conversion circuit 13a composition.
When guide rod bias, sensor 14a detects displacement signal after displacement conversion circuit 13a conversion, through controlling
Device 6a-3 and power amplifier 8a-3 is transformed to control electric current, and the electromagnetic force of regulating magnet keeps guide sleeve automatic with guide rod
Centering.
If use while using permanent magnet and electromagnet in above-described embodiment, the iron core of electromagnet can use E sections
The heart.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. a kind of adjustable plate shearing machine, including bracket, it is provided with Cutting platform on the bracket, the Cutting platform is provided with cutting
Slot, the Cutting platform lower end are provided with cutting mechanism, which is characterized in that the cutting mechanism includes slide, and the slide is sliding
Dynamic to be installed in linear guide, the linear guide and the cutting groove are arranged in parallel, and support plate is arranged on the slide, described
The screw rod being vertically arranged is connected by feed screw nut at left and right sides of support plate, the screw rod is installed on the slide and connection wire rod
Driving motor, the support plate rear and front end have pilot hole, are provided with guide sleeve in the pilot hole, on the slide
The guide rod for realizing guiding across the guide sleeve is installed, cleavage block is installed in the support plate, is pacified on the cleavage block
Equipped with saw cut wheel, the saw cut wheel is connected and installed in the cutting driving motor of the support plate by drive chain；
Several magnet are housed on guide rod or guide sleeve；The magnet coil is connected with guide rod bias amount control circuit；Partially
Heart amount control circuit contains displacement detecting circuit, which is converted to control by the controller being connected with displacement detecting circuit
Signal, the drive magnet after power amplifier amplifies control guide rod displacement.
2. adjustable plate shearing machine according to claim 1, it is characterised in that: displacement detecting circuit includes that several are arranged in and lead
The displacement signal of sensor on bar or on guide sleeve, sensor output is input to control after displacement conversion circuit transformation
Device is converted into control signal by controller, and the drive magnet after power amplifier amplifies controls guide rod displacement.
3. adjustable plate shearing machine according to claim 1, it is characterised in that: displacement detecting circuit is made using pulse-width signal
To test signal, tests in signal and be loaded with displacement information, controller is input to after transformed, controller converts the displacement signal
To control signal, the drive magnet after power amplifier amplifies controls guide rod displacement.
4. adjustable plate shearing machine according to claim 1, it is characterised in that: displacement detecting circuit is put by band-pass circuit, level-one
Big circuit, differential detection circuit, demodulator circuit, low-pass filter circuit successively form, and displacement detecting circuit uses high frequency small-signal
As test signal.
5. adjustable plate shearing machine according to claim 1 or 2 or 3 or 4, it is characterised in that: magnet is in guide rod or guide sleeve
On be arranged symmetrically.
6. adjustable plate shearing machine according to claim 1 or 2 or 3 or 4, it is characterised in that: be equipped with bracket on guide sleeve, institute
It is rack-mount to state magnet.
7. according to adjustable plate shearing machine described in claims 1 or 2 or 3 or 4, it is characterised in that: the magnet is electromagnet, the electricity
Magnet cartridge on the guide bar, is equipped with permanent magnet on guide sleeve on position corresponding with electromagnet.
8. according to adjustable plate shearing machine as claimed in claim 7, it is characterised in that: there is axially extending bore on the guide rod, electromagnet
Conducting wire passes through from through-hole.
9. according to adjustable plate shearing machine described in claims 1 or 2 or 3 or 4, it is characterised in that: the magnet is electromagnet, the electricity
Magnet cartridge is equipped with permanent magnet on guide sleeve on the guide bar on position corresponding with electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029904.5A CN110480726A (en) | 2018-01-01 | 2018-01-01 | A kind of adjustable plate shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029904.5A CN110480726A (en) | 2018-01-01 | 2018-01-01 | A kind of adjustable plate shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110480726A true CN110480726A (en) | 2019-11-22 |
Family
ID=68543560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810029904.5A Pending CN110480726A (en) | 2018-01-01 | 2018-01-01 | A kind of adjustable plate shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110480726A (en) |
-
2018
- 2018-01-01 CN CN201810029904.5A patent/CN110480726A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Sihui Yuancheng Machinery Technology Co. Ltd. Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| DD01 | Delivery of document by public notice | ||
| PB01 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Hao Document name: Notice of expiration of the time limit for the trial |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Hao Document name: Deemed as a notice of withdrawal |
|
| DD01 | Delivery of document by public notice | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191122 |
|
| WD01 | Invention patent application deemed withdrawn after publication |