CN206536815U - Extruder barrel internal diameter measuring instrument - Google Patents
Extruder barrel internal diameter measuring instrument Download PDFInfo
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- CN206536815U CN206536815U CN201720256104.8U CN201720256104U CN206536815U CN 206536815 U CN206536815 U CN 206536815U CN 201720256104 U CN201720256104 U CN 201720256104U CN 206536815 U CN206536815 U CN 206536815U
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- probe
- inductor
- measuring instrument
- internal diameter
- diameter measuring
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- Extrusion Moulding Of Plastics Or The Like (AREA)
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Abstract
The utility model discloses extruder barrel internal diameter measuring instrument, including probe, the main frame of data acquisition is connected to probe, the rangefinder being connected with main frame and the host computer being connected with main frame, the probe includes probe assembly, guide wheel group and ranging reflection patch, coil windings are provided with the probe assembly, multiple inductors are additionally provided with probe assembly, the inductor is eddy current displacement sensor, the inductor connects main frame by cable, the guide wheel group is arranged on the upper auxiliary probe component of probe and moved in machine barrel, the ranging reflection patch is arranged on probe afterbody.Extruder barrel internal diameter measuring instrument of the present utility model can directly check the situation of integrated machine barrel on extrusion machine production line；Without dismantling machine barrel one by one during measurement, and coordinate the data processing technique of main frame and host computer, the bore wear situation of whole process detection extruder can save valuable time and realize maximizing the benefits.
Description
Technical field
The utility model is related to for industrial production measuring instrument, and in particular to a kind of extruder barrel inner diameter measurement
Instrument.
Background technology
Double screw extruder machine barrel is the important accessory of extruder, and whether extruder barrel weares and teares, and directly affects extruder
Working life and product quality.Want to maintain permanent production power, the abrasion of machine production line must be just extruded in early detection
Situation.Up to the present, in order to the abrasion condition inside extruder barrel is made accurately differentiate and position, generally require by
The processing sections one by one of extruder are disassembled, and this normally results in longer downtime.And huge measurement data must be recorded
The abrasion condition of extrusion machine production line endoporus can be analyzed.There is large effect to the production cost and production time of enterprise, change
Become this technical shortcoming, can effectively solve this problem.
Utility model content
Technical problem to be solved in the utility model：In order to overcome it is above-mentioned present in problem there is provided a set of extrusion
Machine cylinder bore measuring instrument, can directly check the situation of integrated machine barrel, without tearing open one by one during measurement on extrusion machine production line
Machine barrel is unloaded, and inside machine barrel impurity is cleaned out need not completely, you can quickly to analyze the bore wear situation of extruder.
The utility model solves the technical scheme that its technical problem used：
Extruder barrel internal diameter measuring instrument, including pop one's head in, be connected to the main frame of data acquisition with probe, be connected with main frame
Rangefinder and the host computer that is connected with main frame,
The probe includes probe assembly, guide wheel group and ranging reflection patch,
It is provided with the probe assembly in coil windings, probe assembly and is additionally provided with multiple inductors, the inductor
For eddy current displacement sensor, the inductor connects main frame by cable,
The guide wheel group is arranged on the upper auxiliary probe component of probe and moved in machine barrel,
The ranging reflection patch is arranged on probe afterbody.
As the further improvement of above-mentioned technical proposal, measurement main body is provided with the probe assembly, coil windings are set
Put in measurement main body, inductor is fixed on outside measurement main body, cladding measurement main body and inductor are provided with outside measurement main body
Shell.
As the further improvement of above-mentioned technical proposal, the measurement body surfaces are provided with inductor fixed block, described
Inductor is arranged on inductor fixed block.
As the further improvement of above-mentioned technical proposal, regulation is provided between the measurement main body and inductor fixed block
Piece.
As the further improvement of above-mentioned technical proposal, set respectively on the measurement body surfaces and inductor fixed block
There is corresponding positioning hole, using alignment pin through inductor fixed block and the positioning hole of measurement main body, inductor fixed block is existed
Measure and positioned in main body.Further, the bolt for being locked in measurement main body is provided with the inductor fixed block.
As the further improvement of above-mentioned technical proposal, the measurement main body head end is provided with the sense of one group of " X " word arrangement
Device is answered, measurement body ends are provided with the inductor of one group of " X " word arrangement.Set respectively in the head end of measurement main body and end
The inductor of " X " word arrangement, can make the scope of detection reach maximum, it is to avoid the situation of missing inspection occur.
As the further improvement of above-mentioned technical proposal, the guide wheel group includes the wheel carrier of connection probe assembly, the wheel
Multiple rollers are provided with frame, the roller is evenly distributed at least one circumferential section.
As the further improvement of above-mentioned technical proposal, end of the wheel carrier away from probe assembly is provided with pasting boards,
The reflection patch is pasted onto on the pasting boards of wheel carrier.
As the further improvement of above-mentioned technical proposal, two groups of guide wheel groups, two groups of guide wheel components are provided with the probe
The two ends of probe assembly are not arranged on.
As the further improvement of above-mentioned technical proposal, it is provided with fixed plate, the fixed plate and sets on the rangefinder
Magnet is equipped with, magnet is used for the installation end face for rangefinder being pasted onto extrusion machine production line final section machine barrel, makes rangefinder
The ranging reflection patch for the alignment probe afterbody that can stablize, measuring probe enters the distance of machine barrel.
The beneficial effects of the utility model are：Can directly it be existed by extruder barrel internal diameter measuring instrument of the present utility model
The situation of integrated machine barrel is checked on extrusion machine production line, without dismantling machine barrel one by one during measurement, and without time-consuming inside machine barrel
Impurity is cleaned out completely, and internal diameter measuring instrument can exclude nonmetallic inclusion interference automatically, measure cylinder bore value, and coordinate main frame
With the data processing technique of host computer, the bore wear situation of extruder is detected, valuable time is saved and realizes that benefit is maximum
Change.There is abrasion in machine barrel if detecting, can procurement of replacement parts in time, therefore, it is possible to carry out maintenance plan in advance.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of extruder barrel internal diameter measuring instrument of the present utility model.
Fig. 2 is the structural representation of probe.
Fig. 3 is the exploded perspective view of probe assembly.
Fig. 4 is the exploded perspective view of guide wheel group.
Fig. 5 is the structural representation of rangefinder.
Embodiment
The utility model provides a kind of preferred embodiment, for illustrating extruder barrel inner diameter measurement of the present utility model
Instrument.
Reference picture 1, Fig. 1 discloses a kind of preferred structure of extruder barrel internal diameter measuring instrument of the present utility model, described
Extruder barrel internal diameter measuring instrument includes probe 2, the main frame 1 of data acquisition is connected to probe 2, the survey being connected with main frame 1
Distance meter 3 and the host computer 4 being connected with main frame 1.The rangefinder 3 can be surveyed for radium-shine laser range finder, infrared range-measurement system etc.
One kind in distance meter, is preferably radium-shine laser range finder in the utility model, rangefinder 3 enters machine barrel for measuring probe 2
Distance there is provided the displacement information of probe, it is convenient to set up more accurate and visual data analysis chart；The host computer 4 is preferably
Computer, or be provided with the industrial computer with display of relevant treatment software.Extruder barrel internal diameter of the present utility model
Measuring instrument needs above-mentioned part to use cooperatively, and probe 2 enters the flatness information of collection inside machine barrel inside extruder barrel, surveys
The distance that the measuring probe 2 of distance meter 3 enters, main frame 1 collects the data of probe 2 and rangefinder 3, and is sent to after arrangement host computer
4, be provided with host computer 4 software for being used to analyze and process above-mentioned data that applicant specially develops for the internal diameter measuring instrument and
Display screen for showing result, the data after analysis preferably show on a display screen with intuitively diagrammatic form, and to occurring
The position of abrasion carries out prompting alarm.
Reference picture 2, the probe includes probe assembly 21, guide wheel group 22 and ranging reflection patch 23.The probe assembly 21
Preferably cylinder.The guide wheel group 22 can be set directly at the outer surface of probe assembly 21, may also be arranged on probe assembly 21
End, is moved for auxiliary probe component 21 in machine barrel；It is preferred that, in the present embodiment, the guide wheel group 22 is provided with two
It is individual, and it is respectively installed in the two ends of probe assembly 21.The ranging reflection patch 23 is pasted onto at least one guide wheel group 22 outwardly
End face on.
Reference picture 3, the probe assembly includes being provided with coil windings in measurement main body 211, the measurement main body 211,
It is respectively arranged with inductor fixed block 213, each inductor fixed block 213 and installs at the measurement surface different directions of main body 211
There are one or more inductors 214, the inductor 214 is eddy current displacement sensor, the measurement main body 211 and inductor
214 connect main frame by cable.It is preferred that, the measurement head end of main body 211 is provided with the inductor 214 of one group of " X " word arrangement,
Measurement main body 211 end is provided with the inductor 214 of one group of " X " word arrangement, specifically, the measurement head end of main body 211 passes through sensing
Device fixed block 213 is equiped with four inductors 214, and four described inductors 214 are distributed in outside measurement main body 211 in " X " word,
The situation for measuring the end of main body 211 is identical.Learnt by Fundamentals of Sensors, the displacement measured by inductor 214 refers to：To sense
It is tested corresponding to the center of device 214 in the circle region that machine barrel " ∞ " hole section is the 1.5 times of diameters of inductor 214 in the center of circle, inductor 214
To the average value of measured surface institute measured value, for example：The inductor 214 now used is a diameter of：φ 8mm, therefore measured by inductor 214
Circle region area be：πr²=3.14×[（3*8）/ 2] 452 square millimeters of 2 ≈.Area is measured in inductor 214 at this stage
Under, the area of detection of maximum can be obtained in the inductor 214 of " X " word arrangement, it is to avoid the situation of missing inspection occur.The measurement master
Corresponding positioning hole is respectively arranged with the surface of body 211 and inductor fixed block 213, it is solid through inductor using alignment pin 215
Determine the positioning hole of block 213 and measurement main body 211, inductor fixed block 213 is positioned in measurement main body 211, while using spiral shell
Inductor fixed block 213 is locked at measurement main body 211 surface by bolt 216.Further, the inductor fixed block 213 and measurement
Adjustment sheet 212 is provided between main body 211, the adjustment sheet 212 is used to adjust inductor 214 installed in same section（I.e.
In the diametric(al) of tested machine barrel）Diametral distance, depending on the machine barrel diameter of bore of the amplitude of regulation according to measurement different-diameter.
The probe assembly 21 also includes the shell 217 of cladding measurement main body 211 and inductor 214, and the shell 217 plays protection and surveyed
The effect of main body 211 and inductor 214 is measured, shell 217 is locked by housing bolts 218.
Reference picture 4, the guide wheel group includes being provided with multiple rollers 222 on wheel carrier 221, the wheel carrier 221, it is preferred that
The roller 222 is evenly distributed at least one circumferential section.The roller 222 is arranged on wheel carrier 221 by wheel shaft 223
On, the bar hole along the diametric(al) extension of tested machine barrel is provided with the wheel carrier 221, the wheel shaft 223 is installed on bar shaped
The spring 224 for the diametric(al) ejection roller 222 along tested machine barrel is provided with Kong Zhong, and wheel carrier 221, makes roller 222
The machine barrel of different inner diameters can be adapted to automatically.The adapter sleeve 225 for connecting probe assembly is provided with the wheel carrier 221, it is described
The steady pin 226 of locking is provided with adapter sleeve 225.Further, at least one anti-rotation is additionally provided with the adapter sleeve 225
Ship and resell on another market 227, the length of the anti-rotation pin 227 is longer, and be arranged on using dismountable mode on adapter sleeve 225, it is acted on
It is to prevent that probe from being rotated in machine barrel.The wheel carrier 221 is provided with the other end away from probe assembly and surveyed for pasting
Ranging reflection patch 23 is pasted with pasting boards 228 away from reflection patch 23, the pasting boards 228 of wherein at least one guide wheel group, due to
The guide wheel group of the present embodiment is located at probe assembly two ends, and ranging reflection patch 23 can be made to be located at probe afterbody, side when entering machine barrel
Just rangefinder is measured.
One or more fixed plate 31 is provided with reference picture 5, the rangefinder 3, the fixed plate 31 is used for fixed survey
Distance meter 3.Magnet 32 is provided with one of fixed plate 31 parallel with the front end face of rangefinder 3, magnet 32 is used for rangefinder 3
On the installation end face for being pasted onto extrusion machine production line final section machine barrel, the survey for being directed at probe afterbody for making rangefinder 3 to stablize
Away from reflection patch.
The extruder barrel internal diameter measuring instrument of the design can be used for the extruder barrel of the shapes such as measurement circle or " ∞ " shape
Internal diameter, using high-precision non-contact induction type measuring method, the principle that it is measured is as follows：The higher-order of oscillation electricity produced in main frame
The coil flowed into by extension cable inside probe is flowed, the magnetic field of alternation is produced in the coil of probe head, when tested metal
Body（Machine barrel）Close to this magnetic field, then induced-current is produced in this metal surface, at the same time current vortex field also produces one
Direction and head coil alternating magnetic field in opposite direction, due to its reaction, make the amplitude and phase of head coil high frequency electric
It is changed（The effective impedance of coil）, this change and metal bulk permeability, electrical conductivity, the geometry of coil, geometry
Size, power frequency and head coil are to relating to parameters such as the distances on metallic conductor surface.Often assume that metallic conductor material
It is uniform and performance is linear and isotropic, then the physical property of coil and metallic conductor system can by metallic conductor electrical conductivity
б, magnetic conductivity ξ, size factor τ, head volume coils and metallic conductor surface apart from parameters such as D, current strength I and frequencies omegas
To describe, then coil characteristic impedance can represent that generally we can accomplish to control τ, ξ with Z=F (τ, ξ, б, D, I, ω) functions,
These parameters of б, I, ω are constant within the specific limits, then the characteristic impedance Z of coil just turns into the monotropic function apart from D, although
Whole function is one nonlinear, and its Function feature is " S " type curve, but it is approximately linear one section that can choose it；In this,
By the processing of fore-lying device electronic circuit, by the change apart from D of coil impedance Z change, i.e. head volume coils and metallic conductor
Change the change for changing into voltage or electric current；The size of output signal changes with probe to the spacing between measured body surface, electricity
Eddy current sensor is exactly that the measurement to parameters such as displacement, the vibrations of metal object is realized according to this principle.The extrusion of the design
The course of work of machine cylinder bore measuring instrument is：When the distance between tested metal and probe change, coil of popping one's head in
Q values also change, the change of Q values causes the change of oscillating voltage amplitude, and this is passed through with the oscillating voltage of distance change
Cross detection, filtering, linear compensation, amplification normalization change into voltage（Electric current）Change, is finally completed mechanical displacement (gap)
It is converted into voltage（Or electric current）；The forward travel distance according to the probe of stadia surveying in machine barrel, makes probe in machine barrel simultaneously
Displacement as X values, be tested the voltage of the distance between metal and probe change conversion（Or electric current）As Y value, then it can obtain
The state diagram of inside machine barrel, so as to intuitively show the abrasion condition of inside machine barrel.
Extruder barrel internal diameter measuring instrument of the present utility model directly can check integrated machine barrel on extrusion machine production line
Situation, without dismantle machine barrel one by one during measurement, and inside machine barrel impurity is cleaned out completely without time-consuming, internal diameter measuring instrument
Nonmetallic inclusion interference can be excluded automatically, measure cylinder bore value；Coordinate the applicant installed in main frame and host computer for being somebody's turn to do
The application software that internal diameter measuring instrument is specially developed, application software assists the easier collection of client and analyze data, draws extrusion
The bore wear situation of machine, saves valuable time and realizes maximizing the benefits.If detecting any abrasion, it can purchase in time standby
Part, therefore, it is possible to carry out maintenance plan in advance.
Above concrete structure and sized data are that preferred embodiment of the present utility model is illustrated, but this reality
The embodiment is not limited to new creation, those skilled in the art are in the premise without prejudice to the utility model spirit
A variety of equivalent variations or replacement can be also made down, and these equivalent deformations or replacement are all contained in the application claim and limited
In fixed scope.
Claims (10)
1. extruder barrel internal diameter measuring instrument, it is characterised in that：Including probe, with probe be connected to data acquisition main frame,
The rangefinder being connected with main frame and the host computer being connected with main frame,
The probe includes probe assembly, guide wheel group and ranging reflection patch,
It is provided with the probe assembly in coil windings, probe assembly and is additionally provided with multiple inductors, the inductor is electricity
Eddy displacement sensor, the inductor connects main frame by cable,
The guide wheel group is arranged on the upper auxiliary probe component of probe and moved in machine barrel,
The ranging reflection patch is arranged on probe afterbody.
2. extruder barrel internal diameter measuring instrument according to claim 1, it is characterised in that：It is provided with the probe assembly
Main body is measured, coil windings are arranged in measurement main body, and inductor is fixed on outside measurement main body, and cladding is provided with outside measurement main body
Measure the shell of main body and inductor.
3. extruder barrel internal diameter measuring instrument according to claim 2, it is characterised in that：The measurement body surfaces are set
There is inductor fixed block, the inductor is arranged on inductor fixed block.
4. extruder barrel internal diameter measuring instrument according to claim 3, it is characterised in that：The measurement main body and inductor
Adjustment sheet is provided between fixed block.
5. extruder barrel internal diameter measuring instrument according to claim 3, it is characterised in that：The measurement body surfaces and sense
Answer and corresponding positioning hole is respectively arranged with device fixed block, the positioning of inductor fixed block and measurement main body is passed through using alignment pin
Hole, makes inductor fixed block be positioned in measurement main body.
6. according to any described extruder barrel internal diameter measuring instrument of claim 2 to 5, it is characterised in that：The measurement main body
Head end is provided with the inductor of one group of " X " word arrangement, and measurement body ends are provided with the inductor of one group of " X " word arrangement.
7. extruder barrel internal diameter measuring instrument according to claim 1, it is characterised in that：The guide wheel group includes connection and visited
Multiple rollers are provided with the wheel carrier of head assembly, the wheel carrier, the roller is evenly distributed at least one circumferential section.
8. extruder barrel internal diameter measuring instrument according to claim 7, it is characterised in that：The wheel carrier is away from probe assembly
End be provided with pasting boards, the reflection patch is pasted onto on the pasting boards of wheel carrier.
9. the extruder barrel internal diameter measuring instrument according to claim 1 or 7 or 8, it is characterised in that：Set on the probe
There are two groups of guide wheel groups, two groups of guide wheel groups are separately positioned on the two ends of probe assembly.
10. extruder barrel internal diameter measuring instrument according to claim 1, it is characterised in that：It is provided with the rangefinder
Magnet is provided with fixed plate, the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256104.8U CN206536815U (en) | 2017-03-15 | 2017-03-15 | Extruder barrel internal diameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256104.8U CN206536815U (en) | 2017-03-15 | 2017-03-15 | Extruder barrel internal diameter measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206536815U true CN206536815U (en) | 2017-10-03 |
Family
ID=59942602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720256104.8U Active CN206536815U (en) | 2017-03-15 | 2017-03-15 | Extruder barrel internal diameter measuring instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN206536815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031018A (en) * | 2017-03-15 | 2017-08-11 | 江门必发机械设备有限公司 | Extruder barrel internal diameter measuring instrument |
| WO2020181778A1 (en) * | 2019-03-13 | 2020-09-17 | 华南理工大学 | Device and method for detecting blending effect of eccentric rotor extruder on line |
-
2017
- 2017-03-15 CN CN201720256104.8U patent/CN206536815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031018A (en) * | 2017-03-15 | 2017-08-11 | 江门必发机械设备有限公司 | Extruder barrel internal diameter measuring instrument |
| WO2020181778A1 (en) * | 2019-03-13 | 2020-09-17 | 华南理工大学 | Device and method for detecting blending effect of eccentric rotor extruder on line |
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