CN211121717U - Testing arrangement of injection molding machine nozzle contact force - Google Patents
Testing arrangement of injection molding machine nozzle contact force Download PDFInfo
- Publication number
- CN211121717U CN211121717U CN201921792566.7U CN201921792566U CN211121717U CN 211121717 U CN211121717 U CN 211121717U CN 201921792566 U CN201921792566 U CN 201921792566U CN 211121717 U CN211121717 U CN 211121717U
- Authority
- CN
- China
- Prior art keywords
- force
- injection
- measuring sensor
- nozzle
- force measuring
- 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.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a testing arrangement of injection molding machine nozzle contact force which characterized in that: the testing device comprises a force measuring sensor, a die mounting hole is coaxially formed in the position, corresponding to the injection platform screw, of the injection molding machine fixed die plate, the force measuring sensor is fixed on a jig and is mounted in the die mounting hole of the fixed die plate through the jig, and the position of the force measuring sensor corresponds to the nozzle of the injection platform screw. The contact force of the nozzle can be directly read by an instrument of the force transducer, so that the measurement precision is greatly improved, the instrument can display a force which is instantly jacked and a force which is stabilized, and the measurement precision is increased from the original 10% FS to 0.1% FS; in addition, the feeler gauge does not need to be used for adjustment, and the sensor instrument can be directly read, so that the debugging is simpler. The utility model discloses it is rational more structurally, measure convenient and precision height, the control contact force that simultaneously can be accurate prevents that the contact force is too big, leads to the mould to damage.
Description
Technical Field
The utility model relates to an injection molding machine technical field, concretely relates to testing arrangement of injection molding machine nozzle contact force.
Background
With the increasing development of industrial technology, the application field of plastic products is wider and wider, the injection precision of the injection molding machine to the plastic products is higher and higher, and in order to ensure the injection precision, the magnitude of the nozzle contact force of the injection molding machine is very important because the nozzle contact force needs to be detected in real time.
The nozzle contact force of the existing electric injection molding machine is mostly tested through the tension of a measuring spring, when an injection platform advances, the nozzle is pushed to the top, the spring can generate certain tension, the distance between pull plates is measured (by a feeler gauge), the machine parameters are met, the nozzle contact force is calculated again, and a proximity switch is installed. The measuring method can quickly obtain the nozzle contact force, is convenient and simple, but has the following defects: the nozzle contact force is directly measured by the spring, a large error exists, firstly, the error of the spring is about 10 percent, and when the distance of the pulling plate is measured by a ruler, errors of various factors also exist, so that the measured data is very inaccurate, the nozzle contact force of a machine is extremely easy to be insufficient or overhigh, and the machine is unsmooth in operation
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to foretell technical current situation and provide a testing arrangement of injection molding machine nozzle contact force rational in infrastructure, that the measurement is convenient and the precision is high.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a testing arrangement of injection molding machine nozzle contact force which characterized in that: the testing device comprises a force measuring sensor, a die mounting hole is coaxially formed in the position, corresponding to the screw rod of the injection platform, of the fixed die plate of the injection molding machine, the force measuring sensor is fixed on a jig and is mounted in the die mounting hole of the fixed die plate through the jig, and the position of the force measuring sensor corresponds to the nozzle of the screw rod of the injection platform.
As an improvement, the load cell is a high temperature resistant RTN torsion ring load cell.
Further, the outside of die holding hole is the horn mouth form, and the tool is ladder cylindrical structure, and the inner end of tool is planted in the mounting hole, and the outer end offsets with the bottom step face of horn mouth, and force cell sensor fixes the outer terminal surface central point of tool and puts.
And furthermore, the force measuring sensor is of a round table-shaped structure, the force measuring sensor and the jig are assembled into a whole, and the contact surface between the front end of the force measuring sensor and the nozzle is an arc concave surface.
Furthermore, a wire outlet hole is formed in the force measuring sensor, a waterproof connector is installed at the wire outlet hole, the cable is connected with a strain gauge in the force measuring sensor through a data line, the other end of the cable is connected with an external instrument, and the measured nozzle contact force is displayed through the instrument.
And finally, an injection movement motor and an injection movement screw rod driven by the injection movement motor are arranged below the injection table, the injection movement screw rod is arranged below the screw rod in parallel, and a spring is arranged between the contact surface of the injection movement screw rod and the fixed template.
Compared with the prior art, the utility model has the advantages of: the method is characterized in that a force sensor corresponding to a nozzle is installed on a fixed template of the injection molding machine, so that the contact force of the nozzle can be directly read through an instrument of the force sensor, the measurement precision is greatly improved, the instrument can display the instant jacking force and the stabilized force, and the measurement precision is increased from the original 10% FS to 0.1% FS; in addition, the feeler gauge is not needed to be used for adjustment, and the sensor instrument can be directly read, so that the debugging is simpler; the force cell uses the customized high-temperature type torque ring force cell, and in the debugging process, the nozzle and the screw rod can be directly heated after the contact force of the nozzle is debugged, the ejection pressure is debugged, the jig does not need to be replaced again, and the debugging steps are reduced and simplified. The utility model discloses it is rational more structurally, measure convenient and precision height, the control contact force that simultaneously can be accurate prevents that the contact force is too big, leads to the mould to damage.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is a schematic structural diagram of a load cell according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, 2 and 3, the testing device for the contact force of the nozzle of the injection molding machine comprises a force measuring sensor 6 and a jig 7, wherein a die mounting hole is coaxially formed in a position, corresponding to the screw 2 of the injection table 1, of a fixed die plate 8 of the injection molding machine, the force measuring sensor 6 is fixed on the jig 7 and is mounted in the die mounting hole of the fixed die plate 8 through the jig 7, and the position of the force measuring sensor 6 corresponds to the nozzle 5 of the screw 2 of the injection table. The outside of die holding hole is the horn mouth form, tool 7 is the ladder cylindrical structure, the inner end of tool 7 is planted in the mounting hole, the outer end of tool 7 offsets with the bottom step face of horn mouth fixedly, force cell sensor 6 is high temperature resistant type RTN torque ring force cell sensor, the temperature is required normally to also can normally work above 80 ℃, even reach 110 ℃, force cell sensor 6 is the circular platform shape structure of customization, force cell sensor 6 is fixed in the outer terminal surface central point of tool 7, the front end of force cell sensor 6 and the contact surface of nozzle 5 are convex concave surface 61. And a wire outlet hole is formed in the side part of the force measuring sensor 6, a waterproof joint is installed at the wire outlet hole, a cable is connected with a strain gauge in the force measuring sensor 6 through a data wire, the other end of the cable is connected with an external instrument, and the measured nozzle contact force is displayed through the instrument. The lower part of the injection platform 1 is provided with an injection movement motor 3 and an injection movement screw rod 4 driven by the injection movement motor, the injection movement screw rod 4 is arranged below the screw rod 2 in parallel, and a spring 9 is arranged between the contact surface of the injection movement screw rod 4 and the fixed template 8.
The working principle is as follows: the injection moving motor 3 converts the injection moving screw rod 3 into reciprocating linear motion through rotary motion through a belt pulley, and further drives the injection table 1 to move, and the jig 7 and the force measuring sensor 6 are fixed together and are installed in a die installation hole in the fixed die plate 8. (provided that the table screw 2 must be adjusted to the full concentricity). When the injection platform 1 advances, the nozzle 5 contacts the force sensor 6, the force sensor 6 can display a force which instantly pushes away and a force after stabilization, after the injection platform 1 advances to contact the force sensor 6, the spring 9 is compressed, the force after the spring is compressed is applied to the force sensor 6, and the state is the principle of nozzle contact force generation during normal use of the electric injection molding machine. Thus, the nozzle contact force can be measured with high accuracy by the load cell 6, and the test must be performed in a state where the screw is not heated.
Has the advantages that:
firstly, the contact force of the nozzle can be directly read through an instrument of a force transducer, so that the measurement precision is greatly improved and is increased from the original 10% FS to 0.1% FS;
secondly, when the contact force of the nozzle is debugged, a feeler gauge is not needed to be used for adjustment, and a sensor instrument is directly read, so that the debugging is simpler;
thirdly, the sensor uses a customized high-temperature force measuring sensor, and in the debugging process, the nozzle and the screw rod can be directly heated after the contact force of the nozzle is debugged, and the ejection pressure is debugged; the jig does not need to be replaced again, and debugging steps are reduced and simplified.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a testing arrangement of injection molding machine nozzle contact force which characterized in that: the testing device comprises a force measuring sensor, a die mounting hole is coaxially formed in the position, corresponding to the screw rod of the injection platform, of the fixed die plate of the injection molding machine, the force measuring sensor is fixed on a jig and is mounted in the die mounting hole of the fixed die plate through the jig, and the position of the force measuring sensor corresponds to the nozzle of the screw rod of the injection platform.
2. The test device of claim 1, wherein: the force cell is a high temperature resistant RTN torque ring force cell.
3. The test device of claim 2, wherein: the outside of mould mounting hole is the horn mouth form, and the tool is ladder cylindrical structure, and the inner end of tool is planted in the mounting hole, and the outer end offsets with the bottom step face of horn mouth, and force cell sensor fixes the outer terminal surface central point of tool and puts.
4. The test device of claim 3, wherein: the force measuring sensor is of a round table-shaped structure, the force measuring sensor and the jig are assembled into a whole, and the contact surface between the front end of the force measuring sensor and the nozzle is an arc concave surface.
5. The test device of any one of claims 1 to 4, wherein: the force measuring sensor is provided with a wire outlet hole, a waterproof connector is installed at the wire outlet hole, the cable is connected with a strain gauge in the force measuring sensor through a data line, the other end of the cable is connected with an external instrument, and the measured nozzle contact force is displayed through the instrument.
6. The test device of any one of claims 1 to 4, wherein: and an injection moving motor and an injection moving screw rod driven by the injection moving motor are arranged below the injection table, the injection moving screw rod is arranged below the screw rod in parallel, and a spring is arranged between the injection moving screw rod and a contact surface of the fixed template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921792566.7U CN211121717U (en) | 2019-10-23 | 2019-10-23 | Testing arrangement of injection molding machine nozzle contact force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921792566.7U CN211121717U (en) | 2019-10-23 | 2019-10-23 | Testing arrangement of injection molding machine nozzle contact force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211121717U true CN211121717U (en) | 2020-07-28 |
Family
ID=71688443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921792566.7U Active CN211121717U (en) | 2019-10-23 | 2019-10-23 | Testing arrangement of injection molding machine nozzle contact force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211121717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023085377A1 (en) * | 2021-11-11 | 2023-05-19 | 株式会社日本製鋼所 | Injection device, injection molding machine, and nozzle touch method |
-
2019
- 2019-10-23 CN CN201921792566.7U patent/CN211121717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023085377A1 (en) * | 2021-11-11 | 2023-05-19 | 株式会社日本製鋼所 | Injection device, injection molding machine, and nozzle touch method |
| JP7550132B2 (en) | 2021-11-11 | 2024-09-12 | 株式会社日本製鋼所 | Injection unit, injection molding machine, and nozzle touch method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108007295B (en) | Automatic detection device for M value and tooth surface jumping of worm | |
| CN211121717U (en) | Testing arrangement of injection molding machine nozzle contact force | |
| CN110672246A (en) | Testing arrangement of injection molding machine nozzle contact force | |
| CN202216679U (en) | Linear displacement measuring head and sensor detection and debugging device | |
| CN205426672U (en) | Testing arrangement of casting sand intensity | |
| CN113203387A (en) | Device and method for measuring inner diameter deformation of plastic corrugated pipe | |
| CN203534562U (en) | Square lithium battery electrical core constant voltage thickness measuring device | |
| CN112033841B (en) | Sand hardness meter capable of automatically detecting on line | |
| CN103278409A (en) | Detection device and detection method for elastic characteristic value of small-scale dish-shaped gasket | |
| CN203881501U (en) | Smart cylindrical helical spring pressure testing device | |
| CN110806188B (en) | Accurate detection system and method for precision size of cylindrical shaft | |
| CN207379417U (en) | A kind of wall thickness measuring device | |
| CN218097656U (en) | Test fixture | |
| CN118654576B (en) | Multifunctional tail end executing mechanism for detecting end diameter jump of aviation gear shaft mounting seat | |
| CN220398763U (en) | Novel press riveting measuring mechanism | |
| CN220062795U (en) | Gauge for detecting length of oil pipe | |
| CN212870977U (en) | Blind plugging depth tester for automobile wire harness connector | |
| CN216717340U (en) | Flatness automatic detection equipment | |
| CN219121627U (en) | Pneumatic measuring device of force sensor | |
| CN111678399A (en) | Checking fixture for rapidly detecting values of measuring points of automobile parts | |
| CN212470152U (en) | Mistake proofing device in nut welding process | |
| CN113358507A (en) | Integrated calibrating device of Rockwell hardness tester and working method thereof | |
| CN216049794U (en) | Automatic calibration device for strain gauge sensor | |
| CN219244582U (en) | Measuring device | |
| CN213714256U (en) | Sensor linear inspection machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400 Simen Town Industrial Park, Yuyao City, Zhejiang Province Patentee after: Ningbo Chuangji Machinery Co.,Ltd. Address before: 315400 Simen Town Industrial Park, Yuyao City, Zhejiang Province Patentee before: NINGBO LOG MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |