CN209247549U - A kind of full-automatic cold plastics balance weight impact testing machine - Google Patents
A kind of full-automatic cold plastics balance weight impact testing machine Download PDFInfo
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- CN209247549U CN209247549U CN201821990603.0U CN201821990603U CN209247549U CN 209247549 U CN209247549 U CN 209247549U CN 201821990603 U CN201821990603 U CN 201821990603U CN 209247549 U CN209247549 U CN 209247549U
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- cabinet
- case lid
- full
- testing machine
- balance weight
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- 239000004033 plastic Substances 0.000 title claims abstract description 25
- 229920003023 plastic Polymers 0.000 title claims abstract description 25
- 238000009863 impact test Methods 0.000 title claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000007613 environmental effect Effects 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims abstract description 8
- 238000005187 foaming Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000009527 percussion Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- -1 timber Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of full-automatic cold plastics balance weight impact testing machine, including pedestal, the Charpy impact device that environmental chamber at low temperature on the base is set and is arranged in above the environmental chamber at low temperature, wherein: environmental chamber at low temperature includes cabinet, case lid, cylinder and sample support, sample support is set in cabinet for placing sample to be tested, case lid is in flip structure hinge on cabinet, the cylinder body and piston rod of cylinder are separately connected cabinet and case lid for pneumatically opening or closing case lid, cabinet is connected by liquid nitrogen pipeline with the refrigeration source for providing liquid nitrogen, the temperature sensor for detection box internal temperature is equipped in cabinet, the Charpy impact device and environmental chamber at low temperature of the utility model are with the use of achievable cooling, heat preservation, it uncaps impact, brake, take the automation of the processes such as pendulum, impact is rapid, without sample transfer time, mark can be met The attack time range of alignment request, environmental chamber at low temperature uniform temperature is good, and temperature-controlled precision is high.
Description
Technical field
The utility model relates to the impact test fields of nonmetallic materials, and in particular to a kind of full-automatic cold plastics pendulum
Shock machine.
Background technique
Study the nonmetallic materials such as plastics, nylon, rubber, timber, glass reinforced plastic, composite plastic pipe, electrical insulating material
Under low temperature environment when shock resistance, need to be impacted using the balance weight impact testing machine with environmental chamber at low temperature, for detecting
The practical mechanical property of material.When doing low-temperature impact test, rushed rapidly after needing the temperature that sample is cooled to standard requirements
It hits, to detect the mechanical property of sample at low ambient temperatures.The experimentation have stringent sample transfer time, i.e., sample from
It opens environmental chamber at low temperature and is under room temperature the time for arriving real impact, accurate lack of test otherwise can be caused deviation occur.
Currently, most common test method is that sample is put into cooling in low temperature instrument, start when being cooled to set temperature
Heat preservation, temperature deviation ± 2 DEG C.Soaking time then, taken out with clamp specially and be placed on sample support by testing crew by sample, is made
With sample centering device by sample break centering, then start to impact.Although the method is simple, manual sample presentation is used, often
Often occur cannot in time range as defined in standard impact specimen, cause to be more than standard required time.
In addition, existing environmental chamber at low temperature mostly uses greatly compressor refrigeration, medium is alcohol, and refrigerating speed is slow, compressor
Refrigeration equipment is bulky, is not easy to operate.
Utility model content
The utility model in order to solve the above problems existing in the present technology, provides a kind of full-automatic cold plastics pendulum
Shock machine, to solve in existing cold plastics pendulum impact test, mostly manual sample presentation cannot be in the time as defined in standard
The problems such as impact specimen in range, it is poor to lead to that there are test accuracies, inconvenient.
To achieve the above object, the utility model provides a kind of full-automatic cold plastics balance weight impact testing machine, including
Pedestal, the Charpy impact device that environmental chamber at low temperature on the base is set and is arranged in above the environmental chamber at low temperature,
In:
The environmental chamber at low temperature includes cabinet, case lid, cylinder and sample support, the sample support be set in cabinet with
For placing sample to be tested, in flip structure hinge on cabinet, the cylinder body and piston rod of the cylinder divide the case lid
Not Lian Jie cabinet and case lid with for pneumatically opening or closing case lid, the cabinet is by liquid nitrogen pipeline and provides the refrigeration of liquid nitrogen
Source is connected, and the temperature sensor for detection box internal temperature is equipped in cabinet；
The Charpy impact device includes oscillating shaft seat, pendulum and takes swinging mechanism, and the pendulum is connected to balance staff by balance staff
It is described that swinging mechanism is taken to be arranged on oscillating shaft seat and be sequentially connected with balance staff on seat, pendulum is lifted to from the state of naturally drooping
Set angle, the impact position when pendulum falls are the sample on sample support.
As the further preferred technical solution of the utility model, the Charpy impact device further includes Cantilever,
The Cantilever is made of the column being set on the base with the crossbeam for being connected to the column top, and the oscillating shaft seat is adopted
The front end of crossbeam is fixed on cantilever structure.
As the further preferred technical solution of the utility model, the pedestal is equipped with shield, and the shield encloses
Gear is behind Charpy impact device and the left and right sides.
As the further preferred technical solution of the utility model, the driving unit for taking swinging mechanism is servo motor.
As the further preferred technical solution of the utility model, it is connected with sample mount below the sample support, institute
Sample mount is stated to be located in the box body and pass through the bottom of cabinet and pedestal is fixedly linked.
As the further preferred technical solution of the utility model, the surrounding inner wall of the cabinet is equipped with thermal insulation foaming
Layer, is equipped at least one circle liquid nitrogen output pipe in cavity that the thermal insulation foaming layer is surrounded, on the liquid nitrogen output pipe between
Every equipped with several ventholes.
As the further preferred technical solution of the utility model, the edge of the cabinet and the mutual snapping of case lid is equipped with
Sealing strip.
As the further preferred technical solution of the utility model, the cylinder is two, and two cylinders are respectively set
In the left and right sides of cabinet, at least one of two cylinders is equipped with the magnetic detection switch of detection cylinder piston bar state.
As the further preferred technical solution of the utility model, the back side of the case lid is connected with buffer, described slow
The buffering stand for rushing device is fixed on the base, and when case lid fully opens, and axis direction and the case lid back side of buffer are in
Plumbness.
As the further preferred technical solution of the utility model, the front of the pedestal is equipped with control panel, pedestal
Rear portion is equipped with electric cabinet, and the electric cabinet is PLC electric cabinet, and manipulation device on the PLC electric cabinet and control panel takes pendulum
The driving unit of mechanism is connected to the first solenoid valve of liquid nitrogen pipe road, the second solenoid valve being connected in the gas circuit of cylinder, temperature
Degree sensor and magnetic detection switch are electrically connected.
The full-automatic cold plastics balance weight impact testing machine of the utility model can achieve it is following the utility model has the advantages that
1) the utility model uses liquid nitrogen refrigerating technology, and cooling rate is fast, and refrigeration is convenient, and refrigeration source is small in size；
2) the utility model Charpy impact device and environmental chamber at low temperature are used cooperatively, it can be achieved that cooling down, keeping the temperature, punching of uncapping
Hit, brake, taking the automation of the processes such as pendulum.
3) the utility model liquid nitrogen output pipe is rationally distributed, and low temperature can reach -70 degree, and temperature-controlled precision is high, low temperature environment
Case uniform temperature is good, and keeping warm mode can be rapidly entered when reaching the temperature of setting；
4) the utility model uses clamshell low temperature environment box structure, is open larger when uncapping, is convenient for changing different form
Sample support, the fracture sample after the completion of impact in easy cleaning environmental chamber at low temperature.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram for the example that the full-automatic cold plastics balance weight impact testing machine of the utility model provides.
Fig. 2 is the structural schematic diagram of environmental chamber at low temperature；
Fig. 3 is the side view of environmental chamber at low temperature；
Fig. 4 is the AA cross-sectional view of low temperature environment box body；
Fig. 5 is the top view of low temperature environment box body；
In figure: 1, stabilizer blade, 2, pedestal, 3, control panel, 4, shield, 5, column, 6, crossbeam, 7, oscillating shaft seat, 8, pendulum,
9, swinging mechanism, 10, environmental chamber at low temperature, 11, sample, 12, sample support, 13, electric cabinet are taken；
1002, cabinet, 1003, cylinder, 1004, case lid, 1005, temperature sensor, 1006, sealing strip, 1007 liquid nitrogen are defeated
Pipeline out, 1008, sensor stand, 1011, bumper support, 1012, buffer, 10017, thermal insulation foaming layer.
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the utility model is described further.In preferred embodiment
Cited such as "upper", "lower", "left", "right", " centre " and " one " term, only being illustrated convenient for narration, rather than to
The enforceable range of the utility model is limited, relativeness is altered or modified, under the content of no substantial changes in technology, when also
It is considered as the enforceable scope of the utility model.
As shown in Figures 1 to 5, full-automatic 8 shock machine of cold plastics pendulum is for studying plastics, nylon, rubber, wood
The sample 11 of the nonmetallic materials such as material, glass reinforced plastic, composite plastic pipe, electrical insulating material impact resistance at low ambient temperatures
It can comprising pedestal 2, the environmental chamber at low temperature 10 being arranged on the pedestal 2 and 10 top of the environmental chamber at low temperature is set
8 percussion mechanism of pendulum is respectively equipped at the bottom four corners of the pedestal 2 and is used to support and the stabilizer blade 1 of adjustable and balancing, in which:
The environmental chamber at low temperature 10 includes cabinet 1002, case lid 1004, cylinder 1003 and sample support 12, the sample branch
Seat 12 is set in cabinet 1002 so that for placing sample 11 to be tested, the case lid 1004 is in flip structure hinge in cabinet
On 1002, the cylinder body and piston rod of the cylinder 1003 are separately connected cabinet 1002 and case lid 1004 for pneumatically playing on or off
Closed box lid 1004, the cabinet 1002 are connected with the refrigeration source for providing liquid nitrogen by liquid nitrogen pipeline, are equipped with and are used in cabinet 1002
The temperature sensor 1005 of 1002 internal temperature of detection box, the temperature sensor 1005 are vertical by sensor stand 1008
Hanging installation is fixed, with the environment temperature in detection box 1002；
8 percussion mechanism of pendulum includes oscillating shaft seat 7, pendulum 8 and takes swinging mechanism 9, and the pendulum 8 is connected by pendulum 8
It is described that swinging mechanism 9 is taken to be arranged on oscillating shaft seat 7 and be sequentially connected with balance staff on oscillating shaft seat 7, by pendulum 8 from naturally drooping
State lifts to set angle, and the impact position when pendulum 8 falls is the sample 11 on sample support 12, described to take swinging mechanism
9 driving unit is servo motor, and servo motor rotation takes swinging mechanism 9 to push balance staff rotation thus by pendulum 8 by vertical position
It sets and lifts to set angle, while the pendulum 8 that can also complete to impact brakes, and pendulum 8 is made to hover over setting position.
In specific implementation, 8 percussion mechanism of pendulum further includes Cantilever, and the Cantilever is by being arranged in bottom
Column 5 on seat 2 is formed with the crossbeam 6 for being connected to 5 top of column, and the oscillating shaft seat 7 is fixed on using cantilever structure
The front end of crossbeam 6, the pedestal 2 are equipped with shield 4, and 4 enclosing of shield is behind 8 percussion mechanism of pendulum and controls
Two sides.
In specific implementation, sample mount 1001 is connected with below the sample support 12, the sample mount 1001 is located at
It is fixedly linked in cabinet 1002 and across the bottom of cabinet 1002 with pedestal 2, according to the difference of 11 type of sample, sample branch used
The form of seat 12 is also different, using 10 structure of clamshell environmental chamber at low temperature, is open when uncapping larger, conveniently replaced not similar shape
The sample support 12 of formula.
In specific implementation, the surrounding inner wall of the cabinet 1002 is equipped with thermal insulation foaming layer 10017, the thermal insulation foaming layer
It is equipped at least one circle liquid nitrogen output pipe 1007 in 10017 cavitys surrounded, is spaced and sets on the liquid nitrogen output pipe 1007
There are several ventholes, internal low temperature environment and the foaming completely of 12 pedestal 2 of sample support together, guarantee sample support
The uniform temperature of 12 parts.The edge of the cabinet 1002 and the mutual snapping of case lid 1004 is equipped with sealing strip 1006, increases low
The thermal insulation property of warm environmental cabinet 10.
In specific implementation, the cylinder 1003 is two, and two cylinders 1003 are separately positioned on the left and right of cabinet 1002
Two sides, at least one cylinder 1003 are equipped with the magnetic detection switch of detection 1003 piston rod state of cylinder, add on cylinder 1003
Be magnetic detection switch, and when chamber door is in close state, pendulum 8 is not fallen out.The back side of the case lid 1004 is connected with slow
Device 1012 is rushed, the buffering stand of the buffer 1012 is fixed on pedestal 2, and when case lid 1004 fully opens, buffer
1012 axis direction and 1004 back side of case lid are in plumbness.
In specific implementation, the front of the pedestal 2 is equipped with control panel 3, and the rear portion of pedestal 2 is equipped with electric cabinet 13, described
Electric cabinet 13 is PLC electric cabinet 13, the PLC electric cabinet 13 on control panel 3 manipulation device, take the driving of swinging mechanism 9
Unit is connected to the first solenoid valve of liquid nitrogen pipe road, the second solenoid valve being connected in the gas circuit of cylinder 1003, temperature sensing
Device 1005 and magnetic detection switch are electrically connected.
Working principle and experimental procedure are as follows:
When full-automatic 8 shock machine work of cold plastics pendulum, take swinging mechanism 9 by servo motor drive by pendulum 8 from
Naturally the state of hanging down lifts to set angle, and environmental chamber at low temperature 10 is opened case lid 1004 by the cylinder 1003 of two sides；
Ready sample 11 is placed on sample support 12 with 11 clamp of sample, and uses 11 centralizer of sample by sample
Case lid 1004 is closed in 11 centerings；
The first solenoid valve is controlled by control panel 3 to open, and inputs liquid nitrogen, to reduce the temperature in environmental chamber at low temperature 10,
Temperature sensor 1005 in environmental chamber at low temperature 10 monitors the temperature inside environmental chamber at low temperature 10, the control of PLC electric cabinet 13 in real time
System processed controls the input quantity of liquid nitrogen according to the actual temperature inside cabinet 1002；
When reaching soaking time (sample 11 is in the practical soaking time at a temperature of specifying), cylinder 1003 stretches out,
Case lid 1004 is pushed open, when magnetic detection switch detects opening signal, takes 9 releasing of brake state of swinging mechanism, pendulum 8 falls simultaneously
Start impact specimen 11；
Temperature sensor 1005 in environmental chamber at low temperature 10 is by setup parameter in control panel 3, the control of PLC electric cabinet 13
System controls the inlet of liquid nitrogen according to real time temperature, to achieve the purpose that temperature control.When cylinder 1003 pushes rapidly case lid open
When 1004, the trembling of case lid 1004 in order to prevent makes environmental chamber at low temperature 10 cover steady opening, increases at 1002 rear of cabinet
Buffer 1012.
Although those skilled in the art should manage the foregoing describe specific embodiment of the present utility model
Solution, these are merely examples, various changes or modifications can be made to present embodiment, without departing from the original of the utility model
Reason and essence, the protection scope of the utility model are only limited by the claims that follow.
Claims (10)
1. a kind of full-automatic cold plastics balance weight impact testing machine, which is characterized in that on the base including pedestal, setting
Environmental chamber at low temperature and the Charpy impact device being arranged in above the environmental chamber at low temperature, in which:
The environmental chamber at low temperature includes cabinet, case lid, cylinder and sample support, and the sample support is set in cabinet to be used for
Sample to be tested is placed, in flip structure hinge on cabinet, the cylinder body of the cylinder connects the case lid respectively with piston rod
Cabinet and case lid are connect for pneumatically opening or closing case lid, the refrigeration source phase that the cabinet passes through liquid nitrogen pipeline and offer liquid nitrogen
Even, the temperature sensor for detection box internal temperature is equipped in cabinet；
The Charpy impact device includes oscillating shaft seat, pendulum and takes swinging mechanism, and the pendulum is connected on oscillating shaft seat by balance staff,
It is described that swinging mechanism is taken to be arranged on oscillating shaft seat and be sequentially connected with balance staff, pendulum is lifted into set angle from the state of naturally drooping
Degree, the impact position when pendulum falls are the sample on sample support.
2. full-automatic cold plastics balance weight impact testing machine according to claim 1, which is characterized in that the Charpy impact
Device further includes Cantilever, and the Cantilever is by the column that is set on the base and is connected to the column top
Crossbeam composition, the oscillating shaft seat are fixed on the front end of crossbeam using cantilever structure.
3. full-automatic cold plastics balance weight impact testing machine according to claim 2, which is characterized in that set on the pedestal
There is a shield, the shield enclosing is behind Charpy impact device and the left and right sides.
4. full-automatic cold plastics balance weight impact testing machine according to claim 3, which is characterized in that described to take swinging mechanism
Driving unit be servo motor.
5. full-automatic cold plastics balance weight impact testing machine according to claim 4, which is characterized in that the sample support
Lower section is connected with sample mount, and the sample mount is located in the box body and passes through the bottom of cabinet and pedestal is fixedly linked.
6. full-automatic cold plastics balance weight impact testing machine according to claim 5, which is characterized in that the four of the cabinet
All inner walls are equipped with thermal insulation foaming layer, and at least one circle liquid nitrogen output pipe is equipped in the cavity that the thermal insulation foaming layer is surrounded,
Several ventholes are equipped at intervals on the liquid nitrogen output pipe.
7. full-automatic cold plastics balance weight impact testing machine according to claim 6, which is characterized in that the cabinet and case
The edge for covering mutual snapping is equipped with sealing strip.
8. full-automatic cold plastics balance weight impact testing machine according to claim 7, which is characterized in that the cylinder is
Two, two cylinders are separately positioned on the left and right sides of cabinet, and at least one of two cylinders is equipped with detection cylinder piston rod
The magnetic detection of state switchs.
9. full-automatic cold plastics balance weight impact testing machine according to claim 8, which is characterized in that the back of the case lid
Face is connected with buffer, and the buffering stand of the buffer is fixed on the base, and when case lid fully opens, the axis of buffer
Line direction and the case lid back side are in plumbness.
10. full-automatic cold plastics balance weight impact testing machine according to claim 9, which is characterized in that the pedestal
Front is equipped with control panel, and the rear portion of pedestal is equipped with electric cabinet, and the electric cabinet is PLC electric cabinet, the PLC electric cabinet and control
Manipulation device on panel processed, the first solenoid valve for being connected to liquid nitrogen pipe road, is connected to cylinder at the driving unit for taking swinging mechanism
Gas circuit on second solenoid valve, temperature sensor and magnetic detection switch be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990603.0U CN209247549U (en) | 2018-11-29 | 2018-11-29 | A kind of full-automatic cold plastics balance weight impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990603.0U CN209247549U (en) | 2018-11-29 | 2018-11-29 | A kind of full-automatic cold plastics balance weight impact testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN209247549U true CN209247549U (en) | 2019-08-13 |
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ID=67529897
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157370A (en) * | 2019-12-27 | 2020-05-15 | 浙江博汇汽车部件有限公司 | Vehicle body part low-temperature collision test environment box and test method thereof |
| CN111413219A (en) * | 2020-05-21 | 2020-07-14 | 上海应用技术大学 | Pendulum impact experiment machine and experiment system |
-
2018
- 2018-11-29 CN CN201821990603.0U patent/CN209247549U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157370A (en) * | 2019-12-27 | 2020-05-15 | 浙江博汇汽车部件有限公司 | Vehicle body part low-temperature collision test environment box and test method thereof |
| CN111157370B (en) * | 2019-12-27 | 2023-08-11 | 浙江博汇汽车部件有限公司 | Low-temperature collision test environment box for vehicle body parts and test method thereof |
| CN111413219A (en) * | 2020-05-21 | 2020-07-14 | 上海应用技术大学 | Pendulum impact experiment machine and experiment system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fully automatic low-temperature plastic pendulum impact testing machine Granted publication date: 20190813 Pledgee: Bank of China Limited Shenzhen Nantou Sub branch Pledgor: SHENZHEN WANCE TEST EQUIPMENT Co.,Ltd. Registration number: Y2024980034847 |