CN112123730A - Automatic production system for producing skylight water pipe - Google Patents

Abstract

The application relates to an automatic production system for producing a skylight water pipe, which comprises an extrusion device, a cooling forming device, an outer diameter detection device and a cutting device, wherein the extrusion device comprises an extruder body and an extruder head arranged at the discharge end of the extruder body, the extruder head comprises an outer die, a mouth die and a core die, an opening die cavity is formed in the outer die, one end of the core die is accommodated in the opening die cavity, a material melting runner is formed between the side wall of the core die and the wall of the opening die cavity, the other end of the core die penetrates through the mouth die, and one end of the mouth die abuts against the core die; the outer die is provided with a pressing nut used for abutting against the mouth die, the side wall of the outer die is provided with a mounting frame, a limiting hoop used for abutting against the pressing nut is arranged on the mounting frame, the limiting hoop is clasped to the mouth die and abutted to one side of the pressing nut, which deviates from the outer die, and the outer die is further provided with a pressing nut detection mechanism used for detecting whether the pressing nut is loosened or not. The extrusion head of the extruder is not easy to generate the flash in the production process.

Description

Automatic production system for producing skylight water pipe

Technical Field

The invention relates to the technical field of automobile skylight drain pipes, in particular to an automatic production system for producing skylight water pipes.

Background

The automobile skylight drain pipe belongs to an automobile skylight accessory system, one end of the automobile skylight drain pipe is connected with a skylight water tank, the middle part of the automobile skylight drain pipe is clamped in a metal plate of an automobile body, and the other end of the automobile skylight drain pipe extends out of the automobile, so that a skylight draining function is realized.

The production process of the automobile skylight drain pipe generally comprises the steps of extrusion, cooling forming, cutting and the like, wherein the extrusion step is mainly extrusion forming through an extruder. In the extrusion molding process, plastic particles are fed from a feed port of an extruder, are heated and pressurized in a cylinder of the extruder to form a molten state, and are extruded from an extruder head of the extruder.

At present, as shown in fig. 1, an extruder head of an extruder mainly comprises an outer die 10, a die 20, a core die 30, a nut 40 and a mesh plate 50. An open cavity 11 is formed in the outer mold 10, the core mold 30 is accommodated in the open cavity 11, and a melt flow passage 111 is formed between the core mold 30 and the inner wall of the open cavity 11. The core mold 30 is provided with a support frame 31, the inner wall of the outer mold 10 is provided with a limit step against which the support frame 31 abuts, after one side of the support frame 31 abuts against the limit step, the outer mold 10 abuts against the support frame 31, and the neck mold 20 is pressed and fixed on the outer mold 10 through the pressing nut 40, so that the core mold 30 and the neck mold 20 are fixed on the outer mold 10.

However, during the extrusion process of the melt, the melt generates an extrusion force on the supporting frame 31 and acts on the die 20, meanwhile, the die 20 transmits the force to the nut 40, and the nut 40 is often loosened by the extrusion force, so that the die 20 and the core mold 30 are loosened, and a gap communicating with the melt flow channel 111 is formed, thereby causing a serious flash problem.

Disclosure of Invention

In order to improve the present easy emergence of the pressure mother of extruder head and become flexible to cause serious flash problem, the application provides an automatic production system for producing skylight water pipe.

The application provides an automatic production system for producing skylight water pipe adopts following technical scheme:

the utility model provides an automatic production system for producing skylight water pipe, is including extrusion device, cooling forming device, external diameter detection device and the cutting device that sets gradually. The extrusion device comprises an extruder body, an extruder head is arranged at the discharge end of the extruder body, the extruder head comprises an outer die, a mouth die and a core die, an opening die cavity is formed in the outer die, one end of the core die is accommodated in the opening die cavity, a material melting flow channel is formed between the side wall of the core die and the wall of the opening die cavity, the other end of the core die penetrates through the mouth die, and one end of the mouth die abuts against the core die;

the die is characterized in that a nut used for abutting against the die is arranged on the outer die, a mounting frame is arranged on the side wall of the outer die, a limiting hoop used for abutting against the nut is arranged on the mounting frame, the limiting hoop is embraced by the die and abutted against one side, deviating from the outer die, of the nut, and a nut detection mechanism used for detecting whether the nut is loosened is further arranged on the outer die.

By adopting the technical scheme, the neck mold is tightly supported by the pressing nut, the pressing nut is tightly supported by the limiting hoop, and the limiting hoop plays a limiting role on the pressing nut, so that when the neck mold receives the extrusion force of the molten material, the extrusion force is transmitted to the pressing nut by the neck mold and is transmitted to the limiting hoop by the pressing nut, so that when the pressing nut is displaced by the extrusion force of the molten material, the pressing nut is limited by the limiting hoop to limit the displacement amount of the pressing nut, the pressing nut is not easy to loosen, and gaps between the pressing nut and the outside and between the neck mold and the outside are reduced, so that the condition of material overflow is reduced; whether the pressing nut is loosened or not is detected through the detection mechanism, so that a worker can know the pressing condition of the pressing nut in time, and the worker can take measures in time.

Preferably, an air cavity is formed in the limiting hoop, and an air pump for supplying air to the air cavity is arranged on the mounting frame; one side of the limiting hoop, which faces the gland, is provided with an air hole penetrating through the air cavity, the air hole is provided with an ejector rod used for tightly ejecting the gland, and one end of the ejector rod is positioned in the air cavity.

Through adopting above-mentioned technical scheme, the air pump is to the air feed in the air cavity to make the pressure increase in the air cavity, thereby promote the ejector pin and remove to the direction of pressing mother, so that the ejector pin top is pressed mother, plays the effect of reinforcement to pressing mother from this, when making to press mother and spacing staple bolt between have the clearance, can be through the ejector pin will press mother to push up tightly.

Preferably, a rubber bag is arranged in the air cavity, the rubber bag is communicated with an air outlet of the air pump, and one end of the ejector rod, which is positioned in the air cavity, is connected to the side wall of the rubber bag.

By adopting the technical scheme, the rubber bag is additionally arranged in the air cavity, so that when the air pump supplies air to the air cavity, the air in the air cavity is not easy to leak from the air hole.

Preferably, the detection mechanism of pressing female is including seting up in the staple bolt orientation the mounting groove of one side of pressing female and set up in the first pressure sensor of mounting groove, first pressure sensor's response end orientation pressing female, first pressure sensor electric connection has the controller, controller electric connection in the air pump.

Through adopting above-mentioned technical scheme, when the pressure mother is not hard up, the pressure mother receives the extrusion force that comes from melting the material and takes place to melt the extrusion direction motion of material to extrude first pressure sensor, thereby first pressure sensor receives pressure transmission signal to the controller of pressure mother, is started by controller control air pump, and then inflates the rubber bag, so that the rubber bag takes place the inflation, and promote the ejector pin top and tightly press mother, so that the pressure mother resets, so that the messenger presses mother to can.

Preferably, the limiting hoop comprises a first half hoop and a second half hoop, the first half hoop and the second half hoop are hinged to the mounting frame, a fixing component used for fixing the first half hoop and the second half hoop mutually is arranged on the second half hoop, and a driving component used for driving the first half hoop and the second half hoop to rotate synchronously is further arranged on the mounting frame.

By adopting the technical scheme, the first half hoop and the second half hoop are hinged to the mounting frame, and are fixed through the fixing component, so that the nut is limited; simultaneously, drive first half staple bolt and the synchronous rotation of the half staple bolt of second through drive assembly to open first half staple bolt and the half staple bolt of second, thereby remove the restriction of first half staple bolt and the half staple bolt of second to pressing the mother, so that will press the mother to demolish and maintain.

Preferably, the driving assembly comprises a first gear and a second gear which are rotatably arranged on the mounting frame, one end of the first half hoop is fixed to a wheel axle of the first gear, and one end of the second half hoop is fixedly connected to a wheel axle of the second gear; be provided with the driving gear between first gear and the second gear, first gear and second gear all engage connect in the driving gear, be provided with on the mounting bracket and be used for the drive driving gear pivoted driving motor.

Through adopting above-mentioned technical scheme, driving motor drive driving gear rotates to make the driving gear drive first gear and second gear and take place to rotate, simultaneously, the driving gear drives first gear and second gear pivoted in-process, opposite rotation takes place for first gear and second gear, make respectively with the half staple bolt of first half staple bolt of the wheel hub connection of first gear and second gear and the half staple bolt of second to the direction motion that is close to each other or keeps away from each other, thereby realize the cohesion and the separation of the half staple bolt of synchronous drive first and second.

Preferably, the side wall of the outer die is provided with a communicating hole which penetrates through the melt flow channel, and a pressure detection mechanism for detecting the extrusion pressure of the melt flow channel is arranged in the communicating hole.

By adopting the technical scheme, the pressure detection mechanism detects the extrusion pressure of the melting material flow channel so as to correspondingly adjust the extrusion pressure of the melting material.

Preferably, the pressure detection mechanism comprises a pressure seat arranged in the communication hole and a second pressure sensor arranged at one end of the pressure seat, and the sensing end of the second pressure sensor protrudes to the melt flow channel.

Through adopting above-mentioned technical scheme, add the second pressure sensor in order to detect the pressure value of extruding of melting the material in melting the material runner to the staff melts the pressure of extruding of material according to the adjustment.

Preferably, the extruder body comprises a casing, a screw rod arranged in the casing and a second motor for driving the screw rod to rotate; the second pressure sensor is electrically connected to the controller, and the controller is electrically connected to the second motor.

By adopting the technical scheme, when the second pressure sensor detects that the pressure of the molten material extruded from the molten material flow channel has larger deviation with the preset extrusion pressure, the second pressure sensor sends a detection signal to the controller, and the controller controls the rotating speed of the second motor driving screw rod, so that the extrusion speed of the molten material is adjusted, and the extrusion pressure is further adjusted.

Preferably, the hole wall of the communicating hole is provided with a step, and the side wall of the pressure seat is provided with a limiting convex edge matched with the step.

Through adopting above-mentioned technical scheme, spacing protruding edge and ladder cooperation are stretched into the length in the material runner with the restriction pressure seat, avoid the second pressure sensor excessively to stretch into in the material runner that melts.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pressing nut tightly abuts against the die and tightly abuts against the pressing nut through the limiting hoop so as to limit the displacement amount of the pressing nut, so that the pressing nut is not easy to loosen, and gaps between the pressing nut and the outside and between the die and the outside are reduced so as to reduce the condition of flash;

2. the air pump is to the rubber bag air feed of gas intracavity to make the pressure increase of gas intracavity, thereby promote the ejector pin and remove to the direction of pressing mother, so that the ejector pin top is pressed mother, plays the effect of reinforcement to pressing mother from this, when making to press mother and spacing staple bolt between have the clearance, can will press mother through the ejector pin and push up tightly.

Drawings

FIG. 1 is a schematic diagram of the mechanism of an extruder head in the prior art;

FIG. 2 is a schematic diagram of the overall architecture of the production system of the present application;

FIG. 3 is a schematic view of the construction of an extrusion apparatus of the present application;

FIG. 4 is a partial cross-sectional view of an extrusion head of the present application;

FIG. 5 is a schematic view of another perspective in FIG. 4;

FIG. 6 is a schematic view illustrating an assembly relationship between the position limiting hoop and the outer mold in the present application;

FIG. 7 is an enlarged view of portion A of FIG. 5;

FIG. 8 is a schematic view of the present application with the extrusion apparatus removed.

Description of reference numerals: 1. an extrusion device; 11. an extruder body; 12. extruding a machine head; 111. a base; 112. a housing; 113. a second drive motor; 121. an outer mold; 1211. an open mold cavity; 1212. a butting table; 1213. a communicating hole; 1214. a pressure seat; 1215. a second pressure sensor; 122. a neck ring mold; 1222. molding a flow channel; 1223. a limiting step; 123. a core mold; 1231. a support frame; 1232. a gas circuit; 124. a mesh plate; 125. a material melting flow channel; 126. pressing a nut; 127. a bolt; 128. a mounting frame; 1282. a first hinge mount; 1283. a second hinge mount; 1298. an air cavity; 2. cooling the molding device; 21. a cooling tank; 22. a guide wheel; 3. an outer diameter detection device; 31. a support frame; 32. a polygon detection ring; 4. a cutting device; 41. a cutting frame; 42. a cutting table; 43. cutting knife; 44. a cylinder; 45. a guide wheel; 5. a first gear; 6. a second gear; 7. a driving gear; 8. a first drive motor; 9. a rubber bag; 10. a top rod; 14. a through hole; 15. a step; 16. a limiting convex edge; 171. a first half hoop; 172. a second half hoop; 173. rotating the rod; 174. connecting grooves; 175. a nut; 1711. a first connecting seat; 1721. a second connecting seat; 18. a first pressure sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

An automatic production system for producing skylight water pipes, refer to fig. 2, includes an extrusion device 1, a cooling forming device 2, an outer diameter detection device 3 and a cutting device 4.

Referring to fig. 2 and 3, the extruding apparatus 1 includes an extruder body 11, the extruder body 11 includes a base 111, a housing 112 mounted on the base 111, a screw (not shown in the figure) rotatably mounted inside the housing 112, and a second driving motor 113 for driving the screw to rotate, and an output shaft of the second driving motor 113 is connected to the screw. One end of the extruder body 11 far away from the second driving motor 113 is a discharge end, and the extruder head 12 is installed at the discharge end of the extruder body 11.

Specifically, referring to fig. 3 and 4, the extruder head 12 includes an outer die 121, a die 122, and a core die 123. Wherein, the outer die 121 is connected with the discharge end of the extruder body 11, and a mesh plate 124 is installed at the connection position of the outer die 121 and the extruder body 11. An open cavity 1211 is formed in the outer mold 121, and the open cavity 1211 penetrates through both ends of the outer mold 121.

Referring to fig. 4 and 5, the core mold 123 is disposed like a pyramid, the core mold 123 is installed at one end of the outer mold 121 far away from the mesh plate 124, one end of the core mold 123 is accommodated in the open cavity 1211, and a melt flow passage 125 for flowing through the melt is formed between the one end of the core mold 123 and the wall of the open cavity 1211. The other end of the mandrel 123 extends out of the open cavity towards the end remote from the mesh plate 124. The end of the core mold 123 located within the open cavity 1211 is provided with a support 311231, and the support 311231 is connected to the wall of the open cavity 1211. In this embodiment, the cavity wall of the open cavity 1211 is provided with an abutting table 1212, and one side of the supporting frame 311231 abuts against the abutting table 1212.

Referring to fig. 4 and 5, one end of the die 122 is fitted into the open cavity 1211 of the outer die 121, and one end of the die 122 fitted into the open cavity abuts against the support 311231, so that the support 311231 is limited. Specifically, a melt cavity (not labeled in the figure) is formed inside the mouth mold 122, one end of the core mold 123 extending out of the open film cavity is inserted into the melt cavity, and a forming runner 1222 communicated with the melt runner 125 is formed between the sidewall of the core mold 123 and the wall of the melt cavity. During the process of extruding the melt, the melt passes through the melt channel 125 and the forming channel 1222 in sequence, so as to extrude the melt and make the melt be primarily formed.

Referring to fig. 4 and 5, a pressing nut 126 for pressing the die 122 is fixed on the outer die 121, the pressing nut 126 is fixed on one end of the outer die 121 far away from the mesh plate 124 through four bolts 127, and the pressing nut 126 abuts against the die 122. Specifically, one end of the die 122, which is sleeved in the open cavity 1211, is provided with a limiting step 1223, and one side of the pressing nut 126 abuts against the limiting step 1223 to limit the movement of the die 122 towards the extrusion direction of the melt. When the end of the die 122 having the limiting step 1223 extends into the open cavity 1211 and abuts against the supporting frame 311231, the limiting step 1223 is flush with the end surface of the outer die 121, so that when the pressing nut 126 abuts against the die 122, the gap between the pressing nut 126 and the end surface of the outer die 121 is smaller.

Referring to fig. 4 and 5, an air passage 1232 is formed inside the core mold 123 along the extrusion direction of the melt, and one end of the air passage 1232 penetrates through the end of the core mold 123 extending out of the open cavity. The supporting frame 311231 is provided with a through hole 14 penetrating through the air passage 1232, and the side wall of the outer mold 121 is provided with a through hole (not labeled in the figure) corresponding to the through hole 14, so as to conveniently supply air to the air passage 1232, and supply air to the air passage 1232, so that in the extrusion process, the melt is blow molded to form a water pipe.

Referring to fig. 4 and 5, the outer die 121 is further provided with a communication hole 1213 penetrating the melt flow channel 125, and a pressure detecting means for detecting the extrusion pressure of the melt in the melt flow channel 125 is installed in the communication hole 1213. The pressure detection mechanism comprises a pressure seat 1214 installed in the communication hole 1213, in the embodiment, the pressure seat 1214 is inserted in the communication hole 1213, the side wall of the pressure seat 1214 is provided with an external thread, and the hole wall of the communication hole 1213 is provided with an internal thread which is in threaded fit with the external thread of the pressure seat 1214.

Specifically, referring to fig. 4 and 5, the hole wall of the communication hole 1213 is provided with a step 15, and the side wall of the pressure seat 1214 is provided with a limiting convex edge 16 adapted to the step 15. In this embodiment, the number of the steps 15 is three, wherein the step 15 close to the melting material flow channel 125 is closed, so as to limit the pressure seat 1214 and prevent the pressure seat 1214 from excessively extending into the melting material flow channel 125.

Referring to fig. 4 and 5, the pressure sensing mechanism further includes a second pressure sensor 1215 installed at an end of the pressure seat 1214 extending into the communication hole 1213, and a sensing end of the second pressure sensor 1215 protrudes into the melt flow channel 125. The second pressure sensor 1215 is electrically connected to a controller, and the controller is electrically connected to the second driving motor 113. When the second pressure sensor 1215 detects that the extrusion pressure of the molten material is larger or smaller, a pressure detection signal is sent to the controller, so that the controller controls the second driving motor 113 to correspondingly increase or decrease the rotating speed, and the rotating speed of the screw is adjusted, so that the extrusion pressure of the molten material is adjusted.

Referring to fig. 5 and 6, a mounting bracket 128 is further mounted on the side wall of the outer mold 121, one end of the mounting bracket 128 extends to the position of the pressing nut 126, and a mounting seat is fixedly mounted on one end of the mounting bracket 128 extending to the position of the pressing nut 126. The mounting seat is provided with a limiting hoop for abutting against the pressing nut 126, the limiting hoop abuts against one side of the pressing nut 126 departing from the outer die 121, and the limiting hoop is clasped on the side wall of the neck die 122.

Specifically, referring to fig. 5 and 7, the limiting anchor ear includes a first half anchor ear 171 and a second half anchor ear 172, and the first half anchor ear 171 and the second half anchor ear 172 are both hinged to the mounting seat. In this embodiment, the mounting base is provided with a first hinge base 1282 and a second hinge base 1283, the first hinge base 1282 is provided with a first gear 5, and a wheel axle of the first gear 5 is rotatably connected with the first hinge base 1282; the second hinge base 1283 is provided with a second gear 6, and the axle of the second gear 6 is rotatably connected with the second hinge base 1283. A first connecting seat 1711 and a second connecting seat 1721 are respectively fixed on the first half hoop 171 and the second half hoop 172, wherein the first connecting seat 1711 is fixedly connected with a wheel shaft of the first gear 5, and the first connecting seat 1711 is provided with a first abdicating groove for abdicating the first gear 5; the second connecting seat 1721 is fixedly connected with a wheel shaft of the second gear 6, and a second yielding groove for yielding the second gear 6 is formed in the second connecting seat 1721.

In addition, referring to fig. 5 and 7, a driving gear 7 is rotatably mounted on the mounting seat, the driving gear 7 is located between the first gear 5 and the second gear 6, and both the first gear 5 and the second gear 6 are in meshed connection with the driving gear 7. Install on the mount pad and be used for driving gear 7 pivoted first driving motor 8, first driving motor 8's output shaft has the reducing gear box (not marking in the figure), the output shaft of reducing gear box is connected in the shaft of driving gear 7, when first driving motor 8 drives driving gear 7 and rotates, because first gear 5 all is connected with driving gear 7 meshing with second gear 6, and first gear 5 and second gear 6 are located the both sides of driving gear 7 respectively, thereby make and to drive first gear 5 and second gear 6 and take place to turn to opposite rotation, and then drive first half staple bolt 171 and the half staple bolt 172 of second and turn over to the direction that faces each other or keep away from each other, open and close when further making things convenient for first half staple bolt 171 and the half staple bolt 172 of second.

Referring to fig. 5 and 6, a fixing component is installed at one end of the second half hoop 172 far away from the mounting seat, and the first half hoop 171 and the second half hoop 172 are fixedly connected by the fixing component.

Referring to fig. 5 and 6, the fixing assembly includes a rotating rod 173 hinged to an end of the second half hoop 172 away from the mounting seat and a connecting groove 174 formed in the first half hoop 171 away from the mounting seat, and an end of the rotating rod 173 is rotatable to be inserted into the connecting groove 174. The one end that dwang 173 was pegged graft in connecting groove 174 is the screw thread section, and the screw thread section screw-thread fit of dwang 173 has nut 175, and the dwang 173 rotates to pegging graft into the connecting groove 174 after, through screwing up nut 175 to make nut 175 support the lateral wall of the one end of tightly first half staple bolt 171 and keeping away from the mount pad, so that the taut second half staple bolt 172 of connecting rod, thereby realize that first half staple bolt 171 is fixed with the interconnect of second half staple bolt 172.

In addition, referring to fig. 6, air cavities 1298 are formed inside the first half hoop 171 and the second half hoop 172, a rubber bag 9 is installed in the air cavity 1298, the rubber bag 9 is connected with an air nozzle, and an air supply port (not shown) communicated with the air cavity 1298 is formed in a side wall of the first half hoop 171, and the air nozzle extends from the air supply port. An air pump (not shown in the figure) for supplying air to the rubber bag 9 is arranged on the mounting seat, and an air outlet of the air pump is connected with the air nozzle.

Referring to fig. 5 and 6, a plurality of air holes (not labeled in the figures) penetrating through the air cavity 1298 are formed in both sides of the first half hoop 171 and the second half hoop 172 facing the nut 126, a push rod 10 for pushing the nut 126 is arranged in each air hole, the push rod 10 can stretch and retract relative to the air holes, and one end of the push rod 10 extends into the air cavity 1298 and is connected with the rubber bag 9. When the air pump supplies air to the rubber bag 9, the rubber bag 9 expands to push the mandril 10 to slide relative to the air hole and move towards the direction of the pressing nut 126, so that the pressing nut 126 is tightly pushed.

Referring to fig. 5 and 6, the first half hoop 171 and the second half hoop 172 are further provided with a pressing nut 126 detecting mechanism for detecting whether the pressing nut 126 is loose on the side facing the pressing nut 126. The detecting mechanism of the pressing nut 126 includes a first pressure sensor 18, the side walls of the first half hoop 171 and the second half hoop 172 are both provided with mounting grooves (not labeled in the figure) for mounting the first pressure sensor 18, and the sensing end of the first pressure sensor 18 slightly protrudes out of the mounting grooves. The first pressure sensor 18 is electrically connected to the controller, and the controller is electrically connected to the air pump. When the pressing nut 126 loosens and collides with the first pressure sensor 18, the first pressure sensor 18 transmits a detection signal to the controller, and the controller controls the air pump to start, so that the rubber bag 9 is supplied with air, the push rod 10 pushes the pressing nut 126, and the displacement of the pressing nut 126 is reduced.

Referring to fig. 8, the cooling molding device 2 includes a cooling tank 21 having a rectangular parallelepiped shape, and the cooling tank 21 is provided along the extrusion direction of the melt. The cooling tank 21 contains cooling water, the extruded water pipe passes through the cooling tank 21, and the cooling water in the cooling tank 21 cools the water pipe to cool and mold the water pipe. A plurality of guide wheels 4522 for guiding the water pipes are rotatably installed in the cooling bath 21, and the plurality of guide wheels 4522 are equally spaced along the length direction of the cooling bath 21. When the extruded water pipe passes through the cooling groove 21, the guide wheel 4522 guides the water pipe, and the guide wheel 4522 supports the water pipe, so that the water pipe is more stably conveyed.

Referring to fig. 8, the extruded water pipe is cooled and then the outer diameter is detected by the outer diameter detecting device 3 to check whether the water pipe is qualified. Specifically, the outer diameter detection device 3 includes a support 311231 and a polygonal detection ring 32 mounted on the support 311231, and the water pipe passes through the polygonal detection ring 32. Four infrared sensors for detection are mounted on the inner side of the polygon detection ring 32, and the four infrared sensors are uniformly distributed on the inner side of the polygon detection ring 32. In this embodiment, the four infrared sensors are all electrically connected to the controller, and when the infrared sensors detect that the outer diameter of the water pipe is not qualified, the infrared sensors send detection signals to the controller, the controller controls the extrusion device 1 to stop extruding the water pipe, and controls the traction equipment electrically connected to the controller to stop providing traction force to the water pipe. In addition, infrared sensor is electric connection still has the siren, when infrared sensor detected the external diameter of water pipe unqualified, with detected signal transmission to the siren to make the siren send out the police dispatch newspaper, so that the staff in time discovers and handles. In this embodiment, the alarm mode may be a sound alarm or a light alarm.

Referring to fig. 8, the qualified water pipe is conveyed to the cutting device 4 for cutting, the cutting device 4 includes a cutting frame 41, a cutting table 42 mounted on the cutting frame 41, and a cutting knife 43 mounted on the cutting frame 41, the cutting knife 43 is located above the cutting table 42, and the cutting knife 43 is arranged in a liftable manner. The mounting bracket 128 is provided with a cylinder 44 for driving the cutting blade 43 to ascend and descend, and a piston rod of the cylinder 44 is connected to the cutting blade 43.

Referring to fig. 8, a guide pipe for guiding the water pipe is installed on the cutting table 42, the water pipe passes through the guide pipe after being detected, and is conveyed to a position below the cutting knife 43, and the cutting knife 43 is driven to descend by the air cylinder 44, so that the water pipe is cut to a desired length.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an automatic production system for producing skylight water pipe, includes extrusion device (1), cooling forming device (2), external diameter detection device (3) and cutting device (4), its characterized in that: the extrusion device (1) comprises an extruder body (11) and an extruder head (12) arranged at the discharge end of the extruder body (11), the extruder head (12) comprises an outer die (121), a mouth die (122) and a core die (123), an opening die cavity (1211) is arranged in the outer die (121), one end of the core die (123) is accommodated in the opening die cavity (1211), a melting material flow channel (125) is formed between the side wall of the core die (123) and the wall of the opening die cavity (1211), the other end of the core die (123) is arranged in the mouth die (122) in a penetrating mode, and one end of the mouth die (122) abuts against the core die (123);

the die is characterized in that a nut (126) used for abutting against the mouth die (122) is arranged on the outer die (121), an installation frame (128) is arranged on the side wall of the outer die (121), a limiting hoop used for abutting against the nut (126) is arranged on the installation frame (128), the limiting hoop is embraced on the mouth die (122) and abuts against one side, away from the outer die (121), of the nut (126), and a nut (126) detection mechanism used for detecting whether the nut (126) is loosened is further arranged on the outer die (121).

2. The automatic production system for producing skylight water pipe of claim 1, wherein: an air cavity (1298) is formed in the limiting hoop, and an air pump for supplying air to the air cavity (1298) is arranged on the mounting rack (128); one side of the limiting hoop, which faces the gland nut (126), is provided with an air hole penetrating through the air cavity (1298), the air hole is provided with a push rod (10) used for pushing the gland nut (126), and one end of the push rod (10) is positioned in the air cavity (1298).

3. The automatic production system for producing skylight water pipe of claim 2, wherein: a rubber bag (9) is arranged in the air cavity (1298), the rubber bag (9) is communicated with an air outlet of the air pump, and one end of the ejector rod (10) positioned in the air cavity (1298) is connected to the side wall of the rubber bag (9).

4. The automatic production system for producing skylight water pipe of claim 2, wherein: press mother (126) detection mechanism including offering in the staple bolt orientation the mounting groove of one side of pressing mother (126) and set up in first pressure sensor (18) of mounting groove, the response end orientation of first pressure sensor (18) press mother (126), first pressure sensor (18) electric connection has the controller, controller electric connection in the air pump.

5. The automatic production system for producing skylight water pipe of claim 2, wherein: the limiting hoop comprises a first half hoop (171) and a second half hoop (172), the first half hoop (171) and the second half hoop (172) are hinged to the mounting frame (128), a fixing component used for fixing the first half hoop (171) and the second half hoop (172) is arranged on the second half hoop (172), and a driving component used for driving the first half hoop (171) and the second half hoop (172) to rotate synchronously is further arranged on the mounting frame (128).

6. The automatic production system for producing skylight water pipe of claim 5, wherein: the driving assembly comprises a first gear (5) and a second gear (6) which are rotatably arranged on the mounting frame (128), one end of the first half hoop (171) is fixed on a wheel axle of the first gear (5), and one end of the second half hoop (172) is fixedly connected with a wheel axle of the second gear (6); be provided with driving gear (7) between first gear (5) and second gear (6), first gear (5) and second gear (6) all engage connect in driving gear (7), be provided with on mounting bracket (128) and be used for the drive driving gear (7) pivoted first motor.

7. The automatic production system for producing skylight water pipe of claim 4, wherein: the side wall of the outer die (121) is provided with a communicating hole (1213) which runs through the melting material flow channel (125), and a pressure detection mechanism for detecting the extrusion pressure of the melting material flow channel (125) is arranged in the communicating hole (1213).

8. The automatic production system for producing skylight water tubes of claim 7, wherein: the pressure detection mechanism comprises a pressure seat (1214) arranged on the communication hole (1213) and a second pressure sensor (1215) arranged at one end of the pressure seat (1214), and the sensing end of the second pressure sensor (1215) protrudes to the melting material flow passage (125).

9. The automatic production system for producing skylight water tubes of claim 8, wherein: the extruder body (11) comprises a machine shell (112), a screw rod arranged in the machine shell (112) and a second motor used for driving the screw rod to rotate; the second pressure sensor (1215) is electrically connected to the controller, which is electrically connected to the second motor.

10. The automatic production system for producing skylight water tubes of claim 9, wherein: the hole wall of the communicating hole (1213) is provided with a step (15), and the side wall of the pressure seat (1214) is provided with a limiting convex edge (16) matched with the step (15).

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