CN208721523U - A kind of precoated sand collapsibility detection device - Google Patents
A kind of precoated sand collapsibility detection device Download PDFInfo
- Publication number
- CN208721523U CN208721523U CN201821167340.3U CN201821167340U CN208721523U CN 208721523 U CN208721523 U CN 208721523U CN 201821167340 U CN201821167340 U CN 201821167340U CN 208721523 U CN208721523 U CN 208721523U
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- China
- Prior art keywords
- heating chamber
- promotion part
- precoated sand
- sand
- lateral
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Abstract
A kind of precoated sand collapsibility detection device, precoated sand collapsibility detection device provided by the utility model grips precoated sand test block by driven gripper device, and pressure is provided by hydraulic section, then tested precoated sand test block is squeezed in heating chamber, power sensing device by being configured at the end of the second lateral promotion part detects the extruding force that tested precoated sand test block is subject to, hydraulic section is driven by stepper motor, first lateral promotion part and the rotation of middle part clamping device, broken sand is thrown away, the broken sand of generation is caught by the sand table that connects of heating chamber bottom again, defeated and dispersed rate can be obtained in the weight for weighing broken sand；The utility model structure is simple, easily operated, high degree of automation.
Description
Technical field
The utility model relates to a kind of precoated sand collapsibility detection devices.
Background technique
The collapsibility of precoated sand determines that casting cleaning ability, precoated sand collapsibility difference will lead to film covered sand core blocking casting,
Casting cleaning is difficult, increases disposal costs；Collapsibility is very good to make precoated sand strength reduction, cause casting in casting process
Disconnected core, thus the defects of casting generates scab, vein.Therefore, the collapsibility performance of precoated sand is detected, precoated sand can be produced
The quality of journey accomplishes to monitor, and the prior art does not have such equipment.
Utility model content
To overcome prior art problem, the utility model provides a kind of precoated sand collapsibility detection device.
A kind of precoated sand collapsibility detection device, including heating furnace body and driven gripper device；
The middle part of the heating furnace body is heating chamber, and the two sides of the heating chamber configure several heater strips, the heating chamber
Top configure fire door, the heating chamber bottom configuration connects sand table, the sand table that connects can be taken out from the side of the heating furnace body
Out, the heater strip is electrically connected with temperature-detecting device, and the temperature-detecting device is electrically connected with temperature input unit；The biography
Dynamic clamping device includes hydraulic section, the first lateral promotion part, middle part clamping device and the second lateral promotion part, the hydraulic section with
The stepper motor mechanical connection, the stepper motor drive the hydraulic section unitary rotation；Described first lateral promotion part can
The end for being rotationally configured at the side of the heating chamber and the first lateral promotion part is deep into the heating chamber；Described first
Lateral promotion part is fixedly connected with the hydraulic section；Fixedly match between described first lateral promotion part and the second lateral promotion part
Set the middle part clamping device, the middle part clamping device in the heating chamber for fixing precoated sand test block, and described second
Lateral promotion part is configured on the position of the side of the heating chamber other side opposite with the described first lateral promotion part；It is described
The outboard end of second lateral promotion part configures power sensing device；The power sensing device passes through feed circuit and the hydraulic section
Electrical connection.
Preferably, the described first lateral promotion part and the second lateral promotion part are rod-shaped, and two sides include the snap arm of protrusion,
The first lateral promotion part and the second lateral promotion part by the snap arm in heating furnace body axially movable.
Preferably, the sand table that connects includes weighing device.
Preferably, the feed circuit is negative-feedback circuit, is squeezed by the negative-feedback circuit by what hydraulic section provided
Pressure maintains setting numerically.
The utility model has the beneficial effects that
Precoated sand collapsibility detection device provided by the utility model carries out precoated sand test block by driven gripper device
It grips, and provides pressure by hydraulic section, then tested precoated sand test block is squeezed in heating chamber, passes through and configures
Power sensing device in the end of the second lateral promotion part detects the extruding force that tested precoated sand test block is subject to, and passes through stepper motor
Hydraulic section, the first lateral promotion part and the rotation of middle part clamping device are driven, broken sand is thrown away, then sand is connect by heating chamber bottom
Disk catches the broken sand of generation, and defeated and dispersed rate can be obtained in the weight for weighing broken sand；The utility model structure is simple, easily operated,
High degree of automation.
Detailed description of the invention
Fig. 1 is the first viewing angle constructions schematic diagram of the precoated sand collapsibility detection device of the utility model；
Fig. 2 is the second viewing angle constructions schematic diagram of the precoated sand collapsibility detection device of the utility model.
Specific embodiment:
The utility model is described further with reference to the accompanying drawing: as depicted in figs. 1 and 2, a kind of precoated sand collapsibility
Detection device, including heating furnace body and driven gripper device；
The middle part of the heating furnace body is heating chamber 1, and the two sides of the heating chamber 1 configure several heater strips 2, the heating
The top of chamber 1 configures fire door 3, and the bottom configuration of the heating chamber 1 connects sand table 4, and the sand table that connects includes weighing device；It is described to connect
Sand table 4 can be extracted out from the side of the heating furnace body, and the heater strip 2 is electrically connected with temperature-detecting device, the temperature detection
Device is electrically connected with temperature input unit, and the utility model carries out temperature holding by the way of relay power-off here, i.e., first
The temperature of temperature input unit input setting is first passed through to the temperature-detecting device, the real-time temperature of temperature-detecting device detection
And pass through the set temperature of comparator more real-time temperature and input, and when reaching the temperature of setting, temperature-detecting device hair
Send a signal to relay, relay powers off heater strip 2；The driven gripper device includes that hydraulic section 5, first laterally pushes away
Into the lateral promotion part 8 of portion 6, middle part clamping device 7 and second, the hydraulic section 5 is mechanically connected with the stepper motor 9, described
Stepper motor 9 drives 5 unitary rotation of hydraulic section, and the hydraulic section 5 is for providing extruding force；Described first lateral promotion part
6, which are rotatably arranged on the side of the heating chamber and the end of the first lateral promotion part 6, is deep into the heating chamber 1, institute
It states the first lateral promotion part 6 to be fixedly connected with the hydraulic section 5, the described first lateral promotion part 6 and the second lateral promotion part 8 are
It is rod-shaped；The middle part clamping device 7 is fixedly configured between described first lateral promotion part 6 and the second lateral promotion part 8, it is described
Middle part clamping device 7 is configured at described for fixing precoated sand test block, the described second lateral promotion part 8 in the heating chamber 1
On the position of the side of heating chamber 1 other side opposite with the described first lateral promotion part 6；Described second lateral promotion part 6
Outboard end configures power sensing device 10；The power sensing device 10 is electrically connected by feed circuit with hydraulic section 5.The feedback
Circuit is negative-feedback circuit, and extruding force is maintained setting numerically by the negative-feedback circuit.
When in use, heater strip 2 generates heat after energization, and the temperature of temperature input unit input setting is filled to the temperature detection
It sets, temperature-detecting device detects real-time temperature and passes through the set temperature of comparator more real-time temperature and input, will add
Temperature is increased to 800 ± 5 DEG C in hot chamber 1, and temperature stablizes 10min after reaching, and then opens fire door 3 for tested precoated sand test block
Fixed to hydraulic section 5 on middle part clamping device 7, is started, extruding force is transmitted on power sensing device 10 along the second lateral promotion part 8
And power is maintained by setting value by negative-feedback circuit, it is 0.2MPa that setting value, which is holding intensity, here, is opened after reaching setting value
Beginning timing, time 120s, the stepper motor 9 rotates after the time for reaching setting, and the high temperature on middle part clamping device 7 is tried
The broken sand of block is thrown away, and broken sand, which is fallen into, to be connect in sand table 4, by weighing device it can be learnt that broken sandy amount is to obtain defeated and dispersed rate.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (4)
1. a kind of precoated sand collapsibility detection device, it is characterised in that:
Including heating furnace body and driven gripper device；
The middle part of the heating furnace body is heating chamber, and the two sides of the heating chamber configure several heater strips, the top of the heating chamber
Portion configures fire door, and the bottom configuration of the heating chamber connects sand table, and the sand table that connects can be extracted out from the side of the heating furnace body, institute
It states heater strip to be electrically connected with temperature-detecting device, the temperature-detecting device is electrically connected with temperature input unit；The transmission folder
Holding device includes hydraulic section, the first lateral promotion part, middle part clamping device and the second lateral promotion part, the hydraulic section and stepping
Electromechanics connection, the stepper motor drive the hydraulic section unitary rotation；Rotationally match the described first lateral promotion part
The end for being placed in the side of the heating chamber and the first lateral promotion part is deep into the heating chamber；Described first laterally promotes
Portion is fixedly connected with the hydraulic section；It is fixedly configured in described between described first lateral promotion part and the second lateral promotion part
Portion's clamping device, for fixing precoated sand test block in the heating chamber, described second laterally promotes the middle part clamping device
Portion is configured on the position of the side of the heating chamber other side opposite with the described first lateral promotion part；Described two laterally push away
Outboard end into portion configures power sensing device；The power sensing device is electrically connected by feed circuit with the hydraulic section.
2. precoated sand collapsibility detection device according to claim 1, it is characterised in that: the first lateral promotion part and
Second lateral promotion part is rod-shaped.
3. precoated sand collapsibility detection device according to claim 1, it is characterised in that: the sand table that connects includes weighing dress
It sets.
4. precoated sand collapsibility detection device according to claim 1, it is characterised in that: the feed circuit is negative-feedback
Circuit maintains setting numerically by the extruding force that the negative-feedback circuit provides hydraulic section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167340.3U CN208721523U (en) | 2018-07-23 | 2018-07-23 | A kind of precoated sand collapsibility detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167340.3U CN208721523U (en) | 2018-07-23 | 2018-07-23 | A kind of precoated sand collapsibility detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721523U true CN208721523U (en) | 2019-04-09 |
Family
ID=65974556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821167340.3U Expired - Fee Related CN208721523U (en) | 2018-07-23 | 2018-07-23 | A kind of precoated sand collapsibility detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426596A (en) * | 2020-04-02 | 2020-07-17 | 苏州明志科技股份有限公司 | Sand core collapsibility detection method |
-
2018
- 2018-07-23 CN CN201821167340.3U patent/CN208721523U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426596A (en) * | 2020-04-02 | 2020-07-17 | 苏州明志科技股份有限公司 | Sand core collapsibility detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20200723 |