CN205238540U - Pipe extruder wall thickness automated inspection governing system - Google Patents
Pipe extruder wall thickness automated inspection governing system Download PDFInfo
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- CN205238540U CN205238540U CN201521087525.XU CN201521087525U CN205238540U CN 205238540 U CN205238540 U CN 205238540U CN 201521087525 U CN201521087525 U CN 201521087525U CN 205238540 U CN205238540 U CN 205238540U
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Abstract
The utility model discloses a pipe extruder wall thickness automated inspection governing system, the pipe extruder wall thickness automated inspection governing system who aims at providing an automated inspection product wall thickness and carry out the regulation control, the tubular product wall thickness has been solved and the measure and regulate festival can not be examined, thereby there is the phenomenon of difference in the tubular product product wall thickness of production, the technical problem of the quality of product has been reduced, its technical scheme main points are machine head body, machine head body's heating element is located to the cover, wall thickness detection device, wall thickness detection device includes the frame, it detects pipe fitting wall thickness and output detection signal's thickness measuring sensor to set up being used for in the frame, the last receiving detection signal of being connected with of heating element controls the control circuit of heating element temperature, wherein, when detecting the temperature that the pipe fitting wall thickness reduces heating element when too big, improves heating element's temperature during pipe fitting wall thickness undersize, has reached automated inspection tubular product wall thickness to temperature regulation's effect, the utility model is suitable for a pipe extruder technical field.
Description
Technical field
The utility model relates to pipe extruder technical field, and more particularly, it relates to a kind of pipe extruder wall thickness and automatically detects regulating system.
Background technology
What production plastic pipe need to use is exactly pipe extruder, and existing pipe extruder is that plastic grain is heated in the process of processing tubing, thereby forms the fluid of molten, carries out extrusion molding by extrusion die.
At present, (Chinese patent that application number is CN201020599579.5 discloses a kind of mixing-type plastic pipe extrusion machine head) on market, mainly comprise handpiece body, current divider, core, mouthful mould, air intake lever, described handpiece body, current divider, core, mouthful die combination form channel, the outside of described handpiece body is provided with heating collar, and described handpiece body has adjustment screw to be connected with a mouthful mould; Described handpiece body is provided with pressure ring with the outside of mouthful mould, described pressure ring is connected by hold-down screw with handpiece body, between described handpiece body and current divider, be provided with blender, described blender is the cylinder with some through holes, and described through hole correspondence is arranged in channel. This extruder exists the tube wall thickness of extruding can not detect adjusting in process of production, because of the unstable deviation that produces wall thickness of temperature, structure, raw material, thereby the phenomenon that there are differences of pipe material product wall thickness of producing, has reduced the quality of product, need to carry out to this certain improvement.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is: a kind of automatic testing product wall thickness is provided and regulates the pipe extruder wall thickness of controlling automatically to detect regulating system.
For achieving the above object, the utility model provides following technical scheme: a kind of pipe extruder wall thickness detects regulating system automatically, comprise handpiece body, be sheathed on the heating element heater of handpiece body, Wall Thickness Testing Device, described Wall Thickness Testing Device comprises frame, be arranged at the thickness measurement sensor for detection of tube wall thickness output detection signal in frame, on described heating element heater, be connected with the control circuit that receives detection signal and control temp of heating element, wherein, in the time detecting that tube wall thickness is excessive, reduce the temperature of heating element heater, when tube wall thickness is too small, improve the temperature of heating element heater.
By above-mentioned setting, after heating element heater energising, can heat handpiece body, thereby the temperature in handpiece body is changed, and in the frame of output, be provided with thickness measurement sensor, thickness situation that can testing product, thereby the analog signal of being converted to, pass to control circuit, by control circuit and then remove to control the power stage of heating element heater, thereby by the different objects that change temperature level that reach of power of heating element heater, thereby can set the temperature that it needs, regulating frame head body internal temperature, thereby can change the wall thickness problem in tubing production process, by the adjusting to temperature, temperature is higher, in plastic pipe production process, the mobility of fluid plastic is stronger, thereby the tubing thickness of producing is larger, otherwise wall thickness is less.
Can further be set to as concrete scheme of the present utility model: described thickness measurement sensor is ultrasonic thickness indicator. Described control circuit comprises, receives the digital integration module of the data signal of ultrasonic thickness indicator output, and described digital integration module is connected to regulate heating element heater heating temp with heating element heater.
By above-mentioned setting, can detect tubing thickness output digit signals by prior art products ultrasonic thickness indicator, carry out the processing of data signal by digital integration module, thereby digital signal transfers is to heating element heater, thereby heating temp is regulated, change the flowing velocity of plastic pipe fluid, thereby reach the adjusting that regulates tubing to produce thickness.
Can further be set to as concrete scheme of the present utility model: described control circuit comprises, receive detection signal and also process the signal conversion unit that converts optical signal to, receiving optical signals also carries out the regulon of power adjusting to heating element heater.
By above-mentioned setting, in order to allow signal transmission more fast stable, adopt signal conversion unit effectively to convert the detection signal of thickness measurement sensor output to easy to handle signal, and can improve the stable shape of integrated circuit.
Can further be set to as concrete scheme of the present utility model: described signal conversion unit comprise connect thickness measurement sensor voltage follower circuit, connect the light-emitting component of voltage follower circuit.
By above-mentioned setting, the output impedance that voltage follower circuit can be effectively lower, thus can play the effect of isolation buffer, improve the transmission stability of signal.
Can further be set to as concrete scheme of the present utility model: described regulon comprises photo resistance, potentiometer, the second electric capacity, bilateral diode and bidirectional triode thyristor; Described potentiometer one end connects heating element heater, ground connection after other end series connection photo resistance and the second electric capacity; The node of photo resistance and the second electric capacity is connected with the control end of bidirectional triode thyristor by bilateral diode, and all the other two ends of described bidirectional triode thyristor connect respectively heating element heater, earth terminal.
By above-mentioned setting, thereby the bright dark degree of induction light source changes the size of resistance value, thereby the time that discharges and recharges to the second electric capacity changes, and then the angle of flow of change bidirectional triode thyristor, heating element heater caloric value is changed, temperature can be changed, and then reach the wall thickness that regulates tubing.
Can further be set to as concrete scheme of the present utility model: described heating element heater, thickness measurement sensor and controller are provided with many groups.
By above-mentioned setting, from circumferentially carrying out the adjustment control at multiple positions, thereby make the wall thickness that product processes within the error range allowing, to improve the quality of product.
Can further be set to as concrete scheme of the present utility model: described heating element heater, thickness measurement sensor and controller are provided with 8 groups, and evenly circumferentially be distributed on handpiece body.
By above-mentioned setting, too much device easily makes cost increase, and adopts 8 groups, can reach processing request, also can reduce costs simultaneously.
Compared with prior art, the beneficial effects of the utility model are: testing product wall thickness regulate control automatically, by regulating temp of heating element to change the wall thickness of product, thereby can improve the quality of product, and save manpower.
Brief description of the drawings
Fig. 1 is the floor map of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the structure principle chart of the utility model embodiment mono-;
Fig. 4 is the signaling conversion circuit figure of the control circuit of the utility model embodiment;
Fig. 5 is the circuit diagram of the regulon of the control circuit of the utility model embodiment.
In figure 1, handpiece body; 2, heating element heater; 3, Wall Thickness Testing Device; 31, frame; 32, thickness measurement sensor; 41, signal conversion unit; 411, voltage follower circuit; 412, light-emitting component; 42, regulon; RG, photo resistance; Rp, potentiometer; C2, the second electric capacity; CTS, bilateral diode; SCR, bidirectional triode thyristor; 5, digital integration module.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, the utility model embodiment is described further.
As Fig. 1, shown in 2, a kind of pipe extruder wall thickness detects regulating system automatically, pipe extruder mainly melts afterwards by Screw Extrusion by plastic raw materials being carried out to heat, comprise handpiece body 1, be sheathed on the heating element heater 2 of handpiece body 1, Wall Thickness Testing Device 3, described Wall Thickness Testing Device 3 comprises frame 31, be arranged at the thickness measurement sensor 32 for detection of tube wall thickness output detection signal in frame 31, on described heating element heater 2, be connected with the control circuit that receives detection signal and control heating element heater 2 temperature, wherein, in the time detecting that tube wall thickness is excessive, reduce the temperature of heating element heater 2, when tube wall thickness is too small, improve the temperature of heating element heater 2. in following circuit diagram, heater element can be thermal resistance wire RT.
Embodiment mono-: thickness measurement sensor 32 be one can experience testee thickness and convert to usable output signal (as simulation current and voltage signals or data signal) sensor, in the present embodiment, thickness measurement sensor is ultrasonic thickness indicator. Control circuit comprises, receives the digital integration module 5 of the data signal of ultrasonic thickness indicator output, and described digital integration module 5 and heating element heater 2 are connected to regulate heating element heater 2 heating temps. As shown in Figure 3, ultrasonic thickness indicator output digit signals transfers to the first control chip U1 in digital integration module 5, the model of this control chip U1 is STC89LE52, the second chip U2 of the mutual communication of promising the first control chip of its peripheral circuit, the model of the second chip U2 is DS7505, and its connected mode as shown in Figure 3, connects power Vcc by resistance R 1, R2 between two chips, this resistance R 1, R2 are pull-up resistor, play the generation that prevents from filling with electric current. If this main circuit is compared the data signal of collection with threshold value, when lower than threshold value, 0.S. pin, in disarmed state, is exported high level, triode conducting, and relay closes, thus heat; In the time that the data signal gathering exceedes threshold value and reach the condition that activates 0.S., O.S. pin function is activated, Low level effective, and triode Q turn-offs, and lowers the temperature thereby relay disconnects. Can make the temperature of testee remain in certain temperature range with the switch of Control heater, form a thermostat, the corresponding time can be set in addition realize object timing heated.
By above-mentioned setting, can detect tubing thickness output digit signals by prior art products ultrasonic thickness indicator, carry out the processing of data signal by digital integration module 5, thereby digital signal transfers is to heating element heater 2, thereby heating temp is regulated, change the flowing velocity of plastic pipe fluid, thereby reach the adjusting that regulates tubing to produce thickness.
Embodiment bis-: as shown in Fig. 4-5, control circuit comprises, receives detection signal and also processes the signal conversion unit 41 that converts optical signal to, and receiving optical signals also carries out the regulon 42 of power adjusting to heating element heater 2. In order to allow signal transmission more fast stable, the detection signal that has adopted signal conversion unit 41 effectively thickness measurement sensor 32 to be exported converts easy to handle signal to, and can improve the stable shape of integrated circuit. Thickness measurement sensor 32 be one can experience testee thickness and convert to usable output signal (as simulation current and voltage signals or data signal) sensor. It is usually used in measuring material thickness in industrial processes, and can be for THICKNESS CONTROL error measure. Its main feature is in measuring process, does not need to measure the absolute dimension of material thickness, and only need know the relative value of detect thickness or the thickness with respect to a standard value. The thickness measurement sensor 32 that the present embodiment adopts is prior art, detects the thickness of tubing by thickness measurement sensor 32, and then after the analog passband signal of output, continuous circuit carries out signal processing, realizes the adjusting of temperature.
In Fig. 4, signal conversion unit 41 comprise connect thickness measurement sensor 32 voltage follower circuit 411, connect the light-emitting component 412 of voltage follower circuit 411. By above-mentioned setting, the output impedance that voltage follower circuit 411 can be effectively lower, thus can play the effect of isolation buffer, improve the transmission stability of signal. Light-emitting component 412 is light emitting diode, can be also LED lamp, and analog signal is stronger, and light source is stronger. The thickness measurement sensor 32 adopting in the present embodiment detects, and the thickness detecting is larger, and analog signal intensity is less, and light-emitting component 412 luminosity are less.
As shown in Figure 5, regulon 42 comprises photo resistance RG, potentiometer Rp, the second capacitor C 2, bilateral diode CTS and bidirectional triode thyristor SCR; Described potentiometer Rp one end connects heating element heater 2, other end series connection photo resistance RG and the rear ground connection of the second capacitor C 2; The node of photo resistance RG and the second capacitor C 2 is connected with the control end of bidirectional triode thyristor SCR by bilateral diode CTS, and all the other two ends of described bidirectional triode thyristor SCR connect respectively heating element heater 2, earth terminal. By above-mentioned setting, thereby the bright dark degree of induction light source changes the size of resistance value, thereby the time that discharges and recharges to the second capacitor C 2 changes, and then the angle of flow of change bidirectional triode thyristor SCR, heating element heater 2 caloric values are changed, temperature can be changed, and then reach the wall thickness that regulates tubing.
Photo resistance RG reception illumination is stronger, and resistance is less, otherwise so resistance is larger, and the RC charge-discharge circuit forming by resistance and electric capacity regulates the angle of flow of bilateral diode CTS. Heating element heater 2 adopts heating wire in the present embodiment.
Circuit theory: in figure, potentiometer Rp is the speed that discharges and recharges of potentiometer with switch Rp and photo resistance RG co-controlling the second capacitor C 2 devices, bidirectional triode thyristor SCR is for controlling the control of electrothermal wire heating's amount. In this circuit, regulator potentiometer Rp and by receiving the resistance of photo resistance RG, can change the angle of flow of bidirectional triode thyristor SCR. In the time of the resistance minimum of a value of photo resistance RG, bidirectional triode thyristor SCR is in total power conducting state, and therefore electrothermal wire heating measures maximum; And when the resistance of photo resistance RG is during in maximum, flowing through the electric current minimum in heating wire, caloric value is also just minimum.
By above-mentioned setting, after heating element heater 2 energisings, can heat handpiece body 1, thereby the temperature in handpiece body 1 is changed, and in the frame 31 of output, be provided with thickness measurement sensor 32, thickness situation that can testing product, thereby the analog signal of being converted to, pass to control circuit, by control circuit and then remove to control the power stage of heating element heater 2, regulating frame head body 1 internal temperature, thereby can change the wall thickness problem in tubing production process, by the adjusting to temperature, temperature is higher, in plastic pipe production process, the mobility of fluid plastic is stronger, thereby the tubing thickness of producing is larger, otherwise wall thickness is less.
Heating element heater 2, thickness measurement sensor 32 and controller are provided with many groups. By above-mentioned setting, from circumferentially carrying out the adjustment control at multiple positions, thereby make the wall thickness that product processes within the error range allowing, to improve the quality of product. Described heating element heater 2, thickness measurement sensor 32 and controller are provided with 8 groups, and are evenly circumferentially distributed on handpiece body 1. Adopt 8 groups, can reach processing request, also can reduce costs simultaneously.
In sum, this programme testing product wall thickness regulate control automatically, by regulating the wall thickness of heating element heater 2 temperature change products, thereby can improve the quality of product, and saves manpower.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model. It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a pipe extruder wall thickness detects regulating system automatically, comprise handpiece body (1), be sheathed on the heating element heater (2) of handpiece body (1), Wall Thickness Testing Device (3), it is characterized in that: described Wall Thickness Testing Device (3) comprises frame (31), be arranged at the thickness measurement sensor for detection of tube wall thickness output detection signal (32) in frame (31), on described heating element heater (2), be connected with the control circuit that receives detection signal and control heating element heater (2) temperature, wherein, in the time detecting that tube wall thickness is excessive, reduce the temperature of heating element heater (2), when tube wall thickness is too small, improve the temperature of heating element heater (2).
2. pipe extruder wall thickness according to claim 1 detects regulating system automatically, it is characterized in that: described thickness measurement sensor is ultrasonic thickness indicator.
3. pipe extruder wall thickness according to claim 2 detects regulating system automatically, it is characterized in that: described control circuit comprises, the digital integration module (5) that receives the data signal of ultrasonic thickness indicator output, is connected to regulate heating element heater (2) heating temp by described digital integration module (5) and heating element heater (2).
4. pipe extruder wall thickness according to claim 1 detects regulating system automatically, it is characterized in that: described control circuit comprises, receive detection signal and also process the signal conversion unit (41) that converts optical signal to, receiving optical signals also carries out the regulon (42) of power adjusting to heating element heater (2).
5. pipe extruder wall thickness according to claim 4 detects regulating system automatically, it is characterized in that: described signal conversion unit (41) comprises the voltage follower circuit (411) of connection thickness measurement sensor (32), the light-emitting component (412) of connection voltage follower circuit (411).
6. pipe extruder wall thickness according to claim 5 detects regulating system automatically, it is characterized in that: described regulon (42) comprises photo resistance (RG), potentiometer (Rp), the second electric capacity (C2), bilateral diode (CTS) and bidirectional triode thyristor (SCR);
Described potentiometer (Rp) one end connects heating element heater (2), ground connection after other end series connection photo resistance (RG) and the second electric capacity (C2); The node of photo resistance (RG) and the second electric capacity (C2) is connected with the control end of bidirectional triode thyristor (SCR) by bilateral diode (CTS), and all the other two ends of described bidirectional triode thyristor (SCR) connect respectively heating element heater (2), earth terminal.
7. pipe extruder wall thickness according to claim 1 detects regulating system automatically, it is characterized in that: described heating element heater (2), thickness measurement sensor (32) and controller are provided with many groups.
8. pipe extruder wall thickness according to claim 7 detects regulating system automatically, it is characterized in that: described heating element heater (2), thickness measurement sensor (32) and controller are provided with 8 groups, and are evenly circumferentially distributed on handpiece body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087525.XU CN205238540U (en) | 2015-12-23 | 2015-12-23 | Pipe extruder wall thickness automated inspection governing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087525.XU CN205238540U (en) | 2015-12-23 | 2015-12-23 | Pipe extruder wall thickness automated inspection governing system |
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| CN205238540U true CN205238540U (en) | 2016-05-18 |
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| CN201521087525.XU Active CN205238540U (en) | 2015-12-23 | 2015-12-23 | Pipe extruder wall thickness automated inspection governing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643995A (en) * | 2019-10-09 | 2021-04-13 | 戴维斯-标准有限公司 | Polymer pipe forming device with multi-dimensional control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643995A (en) * | 2019-10-09 | 2021-04-13 | 戴维斯-标准有限公司 | Polymer pipe forming device with multi-dimensional control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 318054 Qiaoyang Village, Fengjiang Street, Luqiao District, Taizhou City, Zhejiang Province Patentee after: Zhejiang Obo Pipe Industry Co., Ltd. Address before: 318054 Qiaoyang Village, Fengjiang Street, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Taizhou Aobo Pipe Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |