CN116141528A

CN116141528A - Thermoplastic elastomer shaping production line

Info

Publication number: CN116141528A
Application number: CN202211710568.3A
Authority: CN
Inventors: 杨新星; 诸永伟
Original assignee: Zhangjiagang Meite Polymer Materials Co ltd
Current assignee: Zhangjiagang Meite Polymer Materials Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-23

Abstract

The invention discloses a thermoplastic elastomer molding production line, which comprises an extruder, a water cooling device, an air cooling device and a granulating device, wherein the air cooling device comprises an air cooling granulating machine seat, a lower shell is fixed on the air cooling granulating machine seat, the upper end of the lower shell is opened, an upstream transition roller and a downstream transition roller are rotatably arranged in the lower shell, a plurality of conveying ring grooves are arranged on the lower shell, an air outlet cover is arranged above the lower shell, an air outlet is arranged on the air outlet cover, the air outlet cover is communicated with an air supply fan through an air supply pipe, a semiconductor refrigerating sheet is fixed on the air outlet cover, the lower shell is connected with an air return pipe, the air return pipe is communicated with an air inlet of the air supply fan, a water outlet is arranged at the bottommost end of the bottom of the lower shell, and a sealing plate is detachably arranged at the water outlet; the air cooling device of this production line can cool off the air in the air-out housing, and thermoplastic elastomer can harden because of the temperature reduces to the convenience is cut the grain, utilizes the muffler to retrieve certain cold air simultaneously, and the energy efficiency is higher.

Description

Thermoplastic elastomer shaping production line

Technical Field

The invention relates to the technical field of thermoplastic elastomer molding, in particular to a thermoplastic elastomer molding production line.

Background

At present, the molding production line of the thermoplastic elastomer mainly comprises an extruder, a water cooling device for water cooling the extruded strip-shaped thermoplastic elastomer is arranged at the downstream of the extruder, an air cooling device for drying the strip-shaped thermoplastic elastomer in a blowing way is arranged at the downstream of the water cooling device, a granulating device for granulating the strip-shaped thermoplastic elastomer is arranged at the downstream of the air cooling device, and the molding process mainly comprises the following steps: mixing the raw materials, adding the mixture into an extruder, carrying out hot melting on the extruder, extruding the mixture into strips, cooling the strip-shaped thermoplastic elastomer through a water cooling tank, drying the surface of the strip-shaped thermoplastic elastomer through blowing, and finally granulating after drying. However, since there are a relatively large variety of thermoplastic elastomers, there are relatively large thermoplastic elastomers having hardness, and there are thermoplastic elastomers having hardness generally lower than 40 degrees of short a, there is a problem that when cutting is performed by using the production line, the soft thermoplastic elastomer is cut continuously, that is, many saw-toothed long strips, that is, a plurality of cuts in the middle of 4-10cm long, are formed, and similar to saw-tooth, the long strips should be cut by the rotary dicing blade set in normal cases, but the non-cut particles are connected into long strips due to the softness of the comparative material.

In addition, the existing grain cutting device mainly comprises a fixed cutter and a rotating movable cutter, the distance between the fixed cutter and the rotating movable cutter is determined before installation and debugging, when a soft elastomer is required to be cut, the distance between the fixed cutter and the movable cutter is generally required to be reduced, and because the distance is determined before installation and debugging, if the distance is required to be adjusted, the distance adjustment is generally realized by increasing or decreasing gaskets, and the adjustment operation is very troublesome.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the utility model provides a thermoplastic elastomer shaping production line, the air cooling device of this production line utilizes the semiconductor refrigeration piece to cool off the air in the air-out housing, and the air temperature who blows on thermoplastic elastomer surface like this is comparatively low, and thermoplastic elastomer can harden because of the temperature reduces like this to the convenience is cut the grain, utilizes the return air pipe to retrieve certain cold air simultaneously, and the energy efficiency is higher.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a thermoplastic elastomer shaping production line, includes the extruder, the water cooling plant that carries out the water-cooling to the strip thermoplastic elastomer that extrudes is installed to the low reaches of extruder, the low reaches of water cooling plant is provided with the forced draught drying's of carrying out the forced draught drying's to strip thermoplastic elastomer forced draught drying's air cooling plant, the low reaches of air cooling plant is provided with the grain device of cutting the grain to strip thermoplastic elastomer, the forced draught cooling plant includes forced draught cooling grain cutting frame, be fixed with down the casing on the forced draught grain cutting frame, the upper end opening of casing down, install upstream transition roller and downstream transition roller in the casing down, all be provided with the transport annular of a plurality of transport strip thermoplastic elastomer on upstream transition roller and the downstream transition roller, the top of casing is provided with the air-out housing down, be provided with the air outlet on this air-out housing, through the air supply pipe intercommunication between the air-out housing and the air outlet of air-supply fan, be fixed with the semiconductor refrigeration piece on the air-out housing, the casing is connected with the muffler, the muffler communicates with the air inlet, the bottom of air inlet of air supply fan, the casing is provided with the shutoff mouth of a river down, the bottom is provided with the shutoff.

As a preferable scheme, the lower bottom plate of the air outlet housing is a cylindrical bottom plate, the number of the air outlets is multiple and the air outlets are arranged on the cylindrical bottom plate, and the cylindrical bottom plate covers the upstream transition roller and the downstream transition roller.

As a preferable scheme, the air supply fan is fixed on the air-cooled granulator seat, the air outlet of the air supply fan is upward, the air supply pipe is a metal pipe with adjustable length, the lower end of the air supply pipe is fixed on the air supply fan and connected with the air outlet of the air supply fan, and the air outlet housing is fixed at the upper end of the air supply pipe and supported by the air supply pipe.

As a preferable scheme, the air supply pipe comprises a lower pipe section and an upper pipe section, the upper pipe section is inserted into the lower pipe section, a sealing ring is arranged between the upper pipe section and the lower pipe section, and a locking bolt for locking the upper pipe section is arranged on the lower pipe section.

As a preferable scheme, one end of the plugging plate is hinged to the bottom of the lower shell, the other end of the plugging plate is locked with the opening edge of the water drain through a lock catch, the bottom of the lower shell is conical, the connecting position of the air return pipe is positioned on the conical surface of the lower shell, and the air supply opening is further arranged on the air return pipe.

As a preferred scheme, the grain cutting device comprises a grain cutting machine seat, the grain cutting machine seat is provided with a left side plate and a right side plate, a grain cutting space is formed between the left side plate and the right side plate, fixed cutters are fixed on the left side plate and the right side plate, a clamping and conveying mechanism for clamping and conveying a strip-shaped thermoplastic elastomer is arranged on the left side plate and the right side plate at the upstream of the fixed cutters, a guide device convenient for guiding the thermoplastic elastomer is arranged on the upstream of the clamping and conveying mechanism, sliding supporting seats are slidably arranged between the left side plate and the right side plate, movable cutter shafts are rotatably arranged on the sliding supporting seats, the extending direction of the movable cutter shafts is parallel to the length direction of the fixed cutters, the sliding direction of the sliding supporting seats is perpendicular to the extending direction of the movable cutter shafts, a motor support is slidably arranged on the grain cutting machine seat, a driving motor which is in transmission connection with the movable cutter shafts is arranged on the motor support, a plurality of circumferential blades are arranged on the movable cutter shafts, and the movable cutter shafts are matched with the fixed cutters, and the grain cutting machine seat is slidably arranged on the thermoplastic elastomer.

As a preferred scheme, adjustment mechanism is including being fixed in fixing base on the pelleter seat, slidable mounting has the regulation slide on the fixing base, be provided with between regulation slide and the fixing base and be used for conveniently adjusting the screw nut mechanism of regulation slide, sliding support seat with adjust and fix each other between the slide, the lead screw of this screw nut mechanism is as the operation executive component, be provided with locking structure between fixing base and the regulation slide.

As a preferable scheme, the clamping and conveying mechanism comprises an active conveying roller rotatably arranged between a left side plate and a right side plate, a rough surface is arranged on the roller surface of the active conveying roller, a conveying motor in transmission connection with the active conveying roller is arranged on the machine base, a swinging frame is further arranged on the left side plate and the right side plate in a swinging mode, one end of the swinging frame is hinged to the upper ends of the left side plate and the right side plate, an upper pressing roller is rotatably arranged on the swinging frame, and a pressure regulating mechanism for regulating the pressure between the upper pressing roller and the active conveying roller is arranged on the swinging frame.

As a preferable mode, the pressure regulating mechanism comprises an operation screw rod arranged on the swinging frame, the free end of the operation screw rod faces to the upstream direction of conveying, and the operation screw rod is rotatably provided with a pressure regulating nut.

As a preferred scheme, the swing frame includes a first swing connecting rod, second swing connecting rod and connects the connecting rod between first swing connecting rod, the second swing connecting rod, operating screw sets up in the connection catches up, the one end of first swing connecting rod, second swing connecting rod articulates the upper end at left side board and right side board, the inboard articulated first articulated arm and the articulated arm of second in middle part of first connecting rod and second connecting rod, the free end of first articulated arm and second articulated arm articulates respectively has first pressure roller seat and second pressure roller seat, go up the compression roller and rotate and install on first pressure roller seat and second pressure roller seat, the lateral surface of first pressure roller seat and second pressure roller seat is provided with the clamping arch respectively, the medial surface of corresponding left side board and right side board is provided with the clamping groove that corresponds with the clamping arch, when the clamping arch is in the clamping groove, go up the cooperation and carry between compression roller and the initiative conveying roller.

After the technical scheme is adopted, the invention has the following effects: the thermoplastic elastomer molding production line comprises an extruder, wherein a water cooling device for carrying out water cooling on the extruded strip-shaped thermoplastic elastomer is arranged at the downstream of the extruder, an air cooling device for carrying out air drying on the strip-shaped thermoplastic elastomer is arranged at the downstream of the water cooling device, a grain cutting device for cutting grains of the strip-shaped thermoplastic elastomer is arranged at the downstream of the air cooling device, the air cooling device comprises an air cooling grain cutting machine seat, a lower shell is fixed on the air cooling grain cutting machine seat, the upper end of the lower shell is opened, an upstream transition roller and a downstream transition roller are rotatably arranged in the lower shell, a plurality of conveying ring grooves for conveying the strip-shaped thermoplastic elastomer are arranged on the upstream transition roller and the downstream transition roller, an air outlet housing is arranged above the lower shell, an air outlet is arranged on the air outlet housing, the air outlet housing is communicated with an air outlet of an air supply fan through an air supply pipe, a semiconductor sheet is fixed on the air outlet housing, the lower shell is connected with a return air pipe, the return air pipe is communicated with the air inlet of the air supply fan, and the bottom of the lower shell is provided with a water outlet, and a water outlet is provided with a water outlet which is provided with a plugging plate; firstly, placing a thermoplastic elastomer into an extruder, heating and extruding the thermoplastic elastomer into a strip-shaped thermoplastic elastomer, conveying the strip-shaped thermoplastic elastomer into a water cooling device for water cooling, continuously conveying the strip-shaped thermoplastic elastomer to an upstream transition roller of an air cooling device after water cooling is finished, conveying the strip-shaped thermoplastic elastomer to a downstream transition roller from the upstream transition roller, passing through an air outlet housing, conveying air by an air supply pipe through an air supply fan at the moment, refrigerating a semiconductor refrigerating sheet in the air outlet housing, reducing the temperature of the air conveyed into the air outlet housing, blowing air from an air outlet, performing air cooling drying on the strip-shaped thermoplastic elastomer on a lower housing, at the moment, conveying blown cold air into an air return pipe, refluxing the air return fan for recycling, continuously blowing off moisture on the surface of the strip-shaped thermoplastic elastomer after air cooling drying, dripping the moisture on the bottom of the lower housing, opening a sealing plate, discharging accumulated water from a waterproof port, conveying the thermoplastic elastomer to a grain cutting device after air cooling, and finishing production; the air cooling device of this production line utilizes the semiconductor refrigeration piece to cool off the air in the air-out housing, blows like this at the air temperature on thermoplastic elastomer surface lower, and thermoplastic elastomer can harden because of the temperature reduces like this to the convenience is cut the grain, utilizes the muffler to retrieve certain cold air simultaneously, and the energy efficiency is higher.

The lower bottom plate of the air outlet housing is a cylindrical bottom plate, the number of the air outlets is multiple and the air outlets are arranged on the cylindrical bottom plate, and the cylindrical bottom plate covers the upstream transition roller and the downstream transition roller; the cylindrical bottom plate can concentrate air outlet more and has better cooling effect. And the blowing range is larger when guaranteeing to blow concentratedly, fully and effectively cools down, raise the efficiency.

The air supply fan is fixed on the air-cooled granulating machine base, the air outlet of the air supply fan is upward, the air supply pipe is a metal pipe with adjustable length, the lower end of the air supply pipe is fixed on the air supply fan and is connected with the air outlet of the air supply fan, and the air outlet housing is fixed at the upper end of the air supply pipe and is supported by the air supply pipe; the cooling effect can be controlled by adjusting the length of the metal tube, so that different thermoplastic elastomers are cooled to different degrees, and the pertinence is better.

The air supply pipe comprises a lower pipe section and an upper pipe section, the upper pipe section is inserted into the lower pipe section, a sealing ring is arranged between the upper pipe section and the lower pipe section, and a locking bolt for locking the upper pipe section is arranged on the lower pipe section; therefore, the upper pipe section is directly inserted into the lower pipe section and can be effectively sealed through the sealing ring, the installation is simple and quick, and good tightness is ensured.

Because one end of the plugging plate is hinged to the bottom of the lower shell, the other end of the plugging plate is locked with the opening edge of the water outlet through a lock catch, the bottom of the lower shell is conical, the connecting position of the air return pipe is positioned on the conical surface of the lower shell, and the air return pipe is also provided with an air supply opening; the plugging plate is convenient and fast to open, the efficiency is improved, and the bottom of the conical lower shell is convenient to accumulate and discharge the blown water, so that the blown water drops are reduced to enter the muffler; and then the air quantity is enough when the air outlet is exhausted through the air supplementing port.

The grain cutting device comprises a grain cutting machine seat, wherein a left side plate and a right side plate are arranged on the grain cutting machine seat, a grain cutting space is formed between the left side plate and the right side plate, fixed knives are fixed on the left side plate and the right side plate, a clamping and conveying mechanism for clamping and conveying a strip-shaped thermoplastic elastomer is arranged on the upstream of the fixed knives on the left side plate and the right side plate, a guide device for guiding the thermoplastic elastomer is arranged on the upstream of the clamping and conveying mechanism, sliding supporting seats are slidably arranged between the left side plate and the right side plate, movable knife shafts are rotatably arranged on the sliding supporting seats, the extending direction of the movable knife shafts is parallel to the length direction of the fixed knives, the sliding direction of the sliding supporting seats is perpendicular to the extending direction of the movable knife shafts, a motor support is slidably arranged on the grain cutting machine seat, a driving motor in transmission connection with the movable knife shafts is fixedly arranged on the motor support, a plurality of blades uniformly distributed on the movable knife shafts are matched with the cutting edges of the fixed knives on the thermoplastic elastomer, and the grain cutting machine seat is arranged on the grain cutting machine seat, and the grain cutting machine seat is adjusted; guiding and conveying the thermoplastic elastomer to a clamping and conveying mechanism through a guiding device, continuously conveying the thermoplastic elastomer to a movable cutter shaft by the clamping and conveying mechanism, sliding the movable cutter shaft to enable the thermoplastic elastomer to be in a required grain cutting gap with a fixed cutter, driving the movable cutter shaft to rotate by a driving motor, and finishing grain cutting of the thermoplastic elastomer by tangential cutting of a blade on the movable cutter shaft and a cutting edge of the fixed cutter; the granulating device can better adjust the distance between the fixed cutter and the movable cutter, and meets the granulating requirements of thermoplastic elastomers with different hardness.

And because the adjusting mechanism comprises a fixed seat fixed on the granulator seat, an adjusting slide seat is slidably arranged on the fixed seat, a screw nut mechanism used for conveniently adjusting the adjusting slide seat is arranged between the adjusting slide seat and the fixed seat, the sliding support seat and the adjusting slide seat are mutually fixed, a screw of the screw nut mechanism is used as an operation executing component, and a locking structure is arranged between the fixed seat and the adjusting slide seat.

The clamping and conveying mechanism comprises an active conveying roller rotatably arranged between the left side plate and the right side plate, a rough surface is arranged on the roller surface of the active conveying roller, a conveying motor in transmission connection with the active conveying roller is arranged on the base, a swinging frame is also arranged on the left side plate and the right side plate in a swinging way, one end of the swinging frame is hinged to the upper ends of the left side plate and the right side plate, an upper pressing roller is rotatably arranged on the swinging frame, and a pressure regulating mechanism for regulating the pressure between the upper pressing roller and the active conveying roller is arranged on the swinging frame; therefore, the adjusting sliding seat can be driven to slide through the adjusting screw rod, fine adjustment can be performed through the screw rod, and then the adjusting sliding seat is locked by the locking structure, so that the adjusting is rapid and accurate, and the efficiency is improved.

The pressure regulating mechanism comprises an operation screw rod arranged on the deflection frame, the free end of the operation screw rod faces to the upstream direction of conveying, and the operation screw rod is rotatably provided with a pressure regulating nut; the pressure regulating nut can be positioned at different positions on the operating screw rod by rotating the pressure regulating nut, so that the downward pressure can be changed, and the pressure regulation is ensured to be rapid and accurate.

The swing frame comprises a first swing connecting rod, a second swing connecting rod and a connecting rod connected between the first swing connecting rod and the second swing connecting rod, the operating screw rod is arranged on the connection catch up, one ends of the first swing connecting rod and the second swing connecting rod are hinged to the upper ends of the left side plate and the right side plate, the inner sides of the middle parts of the first connecting rod and the second connecting rod are hinged to a first hinge arm and a second hinge arm, the free ends of the first hinge arm and the second hinge arm are hinged to a first press roller seat and a second press roller seat respectively, the upper press roller is rotatably arranged on the first press roller seat and the second press roller seat, clamping bulges are respectively arranged on the outer side surfaces of the first press roller seat and the second press roller seat, clamping grooves corresponding to the clamping bulges are formed in the inner side surfaces of the left side plate and the right side plate, and when the clamping bulges are positioned in the clamping grooves, the upper press roller and the active conveying roller are matched for conveying; therefore, the upper press roller can be deflected, and clamping bulges of the first press roller seat and the second press roller seat are clamped when the upper press roller is needed, so that the flexibility of the device is improved.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of a water cooling apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of an embodiment of an air outlet housing;

FIG. 4 is a schematic view of the structure of the lower housing according to the embodiment of the present invention;

FIG. 5 is a schematic view of the structure of a latch at a drain port according to an embodiment of the present invention;

FIG. 6 is a perspective view of a pelletizing device according to an embodiment of the present invention;

FIG. 7 is a rear view of a pelletizing device according to an embodiment of the present invention;

FIG. 8 is a top view of a pelletizing device according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view of FIG. 8 at A-A;

FIG. 10 is a schematic structural view of an adjusting mechanism according to an embodiment of the present invention;

in the accompanying drawings: 1. a granulating machine base; 2. a left side plate; 3. a right side plate; 4. a granulating space; 5. a left housing; 6. a right housing; 7. a fixed cutter; 8. a door panel; 9. a guide support; 10. a guide roller; 101. an annular guide ring groove; 11. an active conveying roller; 12. a conveying motor; 13. supporting a tool apron; 14. a tapered channel; 15. a movable cutter shaft; 151. a blade; 16. a first guide rail; 17. a first slider; 18. a second guide rail; 19. a second slider; 20. a driving motor; 21. a fixing seat; 22. adjusting the sliding seat; 23. a locking plate; 231. a bar-shaped through hole; 24. a locking screw; 25. a fixed block; 26. an upper press roll; 27. a first press roll seat; 28. a second press roller seat; 29. clamping the bulge; 30. a clamping groove; 31. a first articulated arm; 32. a second articulated arm; 33. a first swing link; 34. a second swing link; 35. operating the screw; 36. a pressure regulating nut; 37. a connecting rod; 38. an upper housing; 39. a collection outlet; 40. air-cooled granulating machine base; 41. a lower housing; 42. an upstream transition roller; 43. a downstream transition roller; 44. a conveying ring groove; 45. an air outlet cover shell; 451. an air outlet; 46. an air supply fan; 47. a lower pipe section; 48. an upper pipe section; 49. a seal ring; 50. sealing grooves; 51. a locking bolt; 52. a semiconductor refrigeration sheet; 53. an air return pipe; 54. a water outlet; 55. a plugging plate; 56. locking; 57. an air supplementing port; 58. a cooling water tank; 59. a water tank support; 60. a water outlet pipe; 61. a water outlet; 62. a water filling port; 63. a water inlet pipe; 64. an upstream water-cooled delivery roll; 65. downstream water-cooled delivery rolls; 66. a support plate; 67. a sliding plate; 68. a chute; 69. a fixing screw; 70. a screw extruder.

Detailed Description

The present invention will be described in further detail with reference to the following examples.

As shown in fig. 1 to 10, a thermoplastic elastomer molding production line comprises an extruder, a water cooling device for water cooling extruded strip-shaped thermoplastic elastomers is installed at the downstream of the extruder, an air cooling device for blowing and drying the strip-shaped thermoplastic elastomers is arranged at the downstream of the water cooling device, a granulating device for granulating the strip-shaped thermoplastic elastomers is arranged at the downstream of the air cooling device, the air cooling device comprises an air granulating machine seat 40, a lower shell 41 is fixed on the air granulating machine seat 40, the upper end of the lower shell 41 is opened, an upstream transition roller 42 and a downstream transition roller are rotatably installed in the lower shell 41, a plurality of conveying ring grooves 44 for conveying the strip-shaped thermoplastic elastomers are arranged on the upstream transition roller 42 and the downstream transition roller 43, an air outlet housing 45 is arranged above the lower shell 41, an air outlet 451 is arranged on the air outlet housing 45, the air outlet housing 45 is communicated with an air outlet of an air supply fan 46 through a pipe, a semiconductor air outlet 52 is fixed on the air outlet housing 45, a lower shell 53 is connected with the air outlet housing 53, and a water outlet opening 54 is formed in the lower shell and is connected with the air outlet 53, and the air outlet is communicated with the bottom of the air outlet housing 46.

In this embodiment, the lower bottom plate of the air outlet casing 45 is a cylindrical bottom plate, and the number of the air outlets 451 is plural and is disposed on the cylindrical bottom plate, and the cylindrical bottom plate covers the upstream transition roller 42 and the downstream transition roller; the setting of a plurality of air outlets 451 as far as possible can maximize the air output, and the cylindrical surface-shaped bottom plate can make the air output more concentrated, and the cooling effect is better to the cylindrical surface-shaped bottom plate can cover the upstream transition roller 42 and the downstream overfall roller, and the scope of blowing is bigger when guaranteeing to blow concentratedly like this, and abundant effectual cooling is carried out, raise the efficiency.

As shown in fig. 3 and fig. 4, the air supply fan 46 is fixed on the air-cooled granulator seat 40, an air outlet of the air supply fan 46 is upward, the air supply pipe is a metal pipe with adjustable length, the lower end of the air supply pipe is fixed on the air supply fan 46 and is connected with the air outlet of the air supply fan 46, and the air outlet housing 45 is fixed at the upper end of the air supply pipe and is supported by the air supply pipe; the cooling effect can be controlled by adjusting the length of the metal tube, so that different thermoplastic elastomers are cooled to different degrees, and the pertinence is better.

Further, the gas supply pipe comprises a lower pipe section 47 and an upper pipe section 48, the upper pipe section 48 is inserted into the lower pipe section 47, a sealing ring 49 is arranged between the upper pipe section 48 and the lower pipe section 47, and a locking bolt 51 for locking the upper pipe section 48 is arranged on the lower pipe section 47; the lower pipe section 47 is provided with a three-layer sealing groove 50, and the sealing ring 49 is clamped in the sealing groove 50, so that the upper pipe section 48 can be effectively sealed after being inserted into the lower pipe section 47, and then the locking bolt 51 is contacted with the upper pipe section 48 to fix the distance between the upper pipe section 48 and the lower pipe section 47, so that the installation is simple and quick, and good sealing performance can be ensured.

In this embodiment, one end of the plugging plate 55 is hinged to the bottom of the lower housing 41, and the other end of the plugging plate 55 is locked with the edge of the water drain port 54 through a lock catch 56; the disassembly is quick and convenient, and the efficiency is improved; as shown in FIG. 5, the latch 56 is a conventional commercially available device and therefore is not described in detail herein.

Further, the bottom of the lower housing 41 is tapered, the connection position of the air return pipe 53 is located on the tapered surface of the lower housing 41, the tapered surface facilitates the dropped water to flow to the bottom of the lower housing 41, the blown water is accumulated to be conveniently discharged, and the water is reduced from entering the air return pipe 53 to affect the blowing.

The air return pipe 53 is also provided with an air supply port 57; the air quantity is enough when the air outlet is exhausted through the air supplementing port 57.

As shown in fig. 6 to 8, the grain cutting device comprises a grain cutting machine base 1, the grain cutting machine base 1 is provided with a left side plate 2 and a right side plate 3, a grain cutting space 4 is formed between the left side plate 2 and the right side plate 3, fixed blades 7 are fixed on the left side plate 2 and the right side plate 3, a clamping and conveying mechanism for clamping and conveying a strip-shaped thermoplastic elastomer is arranged on the left side plate 2 and the right side plate 3 at the upstream of the fixed blades 7, a guide device for guiding the thermoplastic elastomer is arranged on the upstream of the clamping and conveying mechanism, a sliding supporting seat is slidably arranged between the left side plate 2 and the right side plate 3, a movable cutter shaft 15 is rotatably arranged on the sliding supporting seat, the extending direction of the movable cutter shaft 15 is parallel to the length direction of the fixed blades 7, a motor support is slidably arranged on the grain cutting machine base 1, the sliding direction of the motor support is identical to the sliding direction of the sliding supporting seat, a guiding device for guiding the strip-shaped thermoplastic elastomer is fixedly arranged on the motor support, a plurality of cutter shafts 20 are in transmission connection with the motor 15, a plurality of cutter blades are uniformly distributed on the cutting machine base 1, and the cutter shafts are matched with the fixed blades 151, and the positions of the cutter shafts are adjusted.

In this embodiment, the adjusting mechanism includes a fixed seat 21 fixed on the dicing stand 1, an adjusting slide seat 22 is slidably mounted on the fixed seat 21, a screw-nut mechanism for conveniently adjusting the adjusting slide seat 22 is disposed between the adjusting slide seat 22 and the fixed seat 21, the sliding support seat and the adjusting slide seat 22 are fixed with each other, a screw of the screw-nut mechanism is used as an operation executing component, and a locking structure is disposed between the fixed seat 21 and the adjusting slide seat 22; the sliding support seat comprises a first guide rail 16 and a first sliding block 17, the first sliding block 17 is fixedly connected with the adjusting sliding seat 22, as the fixed seat 21 is fixed, when the screw rod is rotated, the nut is driven to rotate so as to drive the adjusting sliding seat 22 to linearly move, and thus the movable cutter shaft 15 can be driven to move along the first guide rail 16 through the first sliding block 17, the locking structure comprises a locking plate 23 fixedly arranged on the fixed seat 21, a strip-shaped through hole 231 is formed in the locking plate 23, a locking screw 24 is rotatably arranged on the strip-shaped through hole 231, the locking screw 24 is tightly attached to the adjusting sliding seat 22 through rotation to complete locking, and the locking screw 24 can slide back and forth between the strip-shaped through holes 231, so that the movable cutter shaft 15 can be moved through the adjustment between the fixed seat 21 and the adjusting sliding seat 22, and the distance between the movable cutter shaft 15 and the fixed cutter 7 can be changed, and the size of cut grains can be changed; thus, the adjustment is quick and accurate, and the efficiency is improved.

The fixed knife 7 is fixed through the support knife holder 13 fixedly arranged on the base, a gap which is just blocked into the fixed knife 7 is formed in the support knife holder 13, and the upper surface of the support knife holder 13 is a plane, so that the strip-shaped thermoplastic elastomer can be conveniently moved.

Further, a left housing 5 and a right housing 6 are detachably arranged on the base and positioned on the left side of the left side plate 2 and the right side of the right side plate 3 respectively, the motor support and the driving motor 20 are positioned in the left housing 5 or the right housing 6, and the corresponding adjusting mechanism is positioned in the right housing 6 or the left housing 5; the detachable left housing 5 and right housing 6 can facilitate the observation of the internal structure and the maintenance and disassembly of the inside, and can also protect the internal structure and improve the installation efficiency; the fixed seat 21 is fixedly arranged on the left housing 5 or the right housing 6 through the fixed block 25, so that the fixed seat can be effectively fixed; the motor support comprises a second guide rail 18 and a second sliding seat 19, and the driving motor 20 is fixedly arranged on the second sliding seat 19, so that the driving motor 20 and the movable cutter shaft 15 can synchronously move.

In this embodiment, the guiding device includes a door plate 8, one end of the door plate 8 is hinged on the left side plate 2 or the right side plate 3 and is located at the upstream side, a guiding support 9 is fixed on the plate surface of the door plate 8, a guiding roller 10 is rotatably installed on the guiding support 9, and a plurality of annular guiding ring grooves 101 are provided on the guiding roller 10; the annular guide ring groove 101 is matched with the strip-shaped thermoplastic elastomer, so that the strip-shaped thermoplastic elastomer can be placed on the guide roller 10, the guide roller 10 can roll and convey after being placed one by one, and the conveying efficiency is improved; the door panel 8 can be opened to facilitate the effective operation of the inside.

In this embodiment, the clamping and conveying mechanism includes an active conveying roller 11 rotatably installed between the left side plate 2 and the right side plate 3, a rough surface is provided on a roller surface of the active conveying roller 11, a conveying motor 12 in transmission connection with the active conveying roller 11 is provided on the stand, a swinging frame is also installed on the left side plate 2 and the right side plate 3 in a swinging manner, one end of the swinging frame is hinged to the upper ends of the left side plate 2 and the right side plate 3, an upper pressing roller 26 is rotatably installed on the swinging frame, and a pressure regulating mechanism for regulating the pressure between the upper pressing roller 26 and the active conveying roller 11 is provided on the swinging frame; the rough surface arranged on the roller surface of the driving conveying roller 11 can improve friction force, so that conveying efficiency is improved, the upper pressing roller 26 can better press the strip-shaped thermoplastic elastomer downwards, conveying efficiency can be further improved, different lower pressures can be generated on the upper pressing roller 26 through the pressure regulating mechanism, corresponding lower pressures are generated on different strip-shaped thermoplastic elastomers, and conveying smoothness is guaranteed.

Further, the pressure regulating mechanism comprises an operation screw rod 35 arranged on the swing frame, the free end of the operation screw rod 35 faces to the upstream direction of conveying, and a pressure regulating nut 36 is rotatably arranged on the operation screw rod 35; the pressure regulating nut 36 can be positioned at different positions on the operating screw 35 by rotating the pressure regulating nut 36, so that the downward pressure can be changed, and the rapidness and accuracy of pressure regulation are ensured.

As shown in fig. 10, the swing frame includes a first swing link 33, a second swing link 34, and a connecting rod 37 connecting the first swing link 33 and the second swing link 34, the operating screw 35 is disposed on the connection catch up, one ends of the first swing link 33 and the second swing link 34 are hinged at the upper ends of the left side plate 2 and the right side plate 3, the inner sides of the middle parts of the first link and the second link are hinged with a first hinge arm 31 and a second hinge arm 32, the free ends of the first hinge arm 31 and the second hinge arm 32 are respectively hinged with a first press roller seat 27 and a second press roller seat 28, the upper press roller 26 is rotatably mounted on the first press roller seat 27 and the second press roller seat 28, the outer side surfaces of the first press roller seat 27 and the second press roller seat 28 are respectively provided with a clamping protrusion 29, the inner sides of the corresponding left side plate 2 and the right side plate 3 are provided with clamping grooves 30 corresponding to the clamping protrusions, and when the clamping protrusions 29 are located in the clamping grooves 30, the upper press roller seat 26 is matched with the conveying roller 11; because the first swinging connecting rod 33, the second swinging connecting rod 34 and the connecting rod 37 are integrated, the first swinging connecting rod 33, the second swinging connecting rod 34 and the connecting rod 37 can be driven to swing upwards by directly pulling the operation screw rod 35, then the first hinging arm 31 and the second hinging arm 32 are driven to swing upwards, at the moment, the clamping bulge 29 is positioned in the clamping groove 30, the clamping bulge 29 rises along the clamping groove 30 until the clamping groove 30 is separated, the left side plate 2 and the right side plate 3 are also provided with the upper cover shell 38, the upper cover shell 38 is installed between the left side plate 2 and the right side plate 3 in a deflection manner, impurities can be further prevented from entering the device when granulating, the device is effectively protected, the upper cover shell 38 is installed above the deflection frame, after the upper cover shell 38 is opened, the operation screw rod 35 can swing upwards to lean against the upper cover shell 38, the first swinging connecting rod 33 and the second swinging connecting rod 34 are leaned against the first pressing roller seat 27 and the second pressing roller seat 28 through the first hinging arm 31 and the second hinging arm 32, so that the flexibility of the device is effectively improved, the device is convenient to adjust the gap between the upper conveying roller 11 and the pressing roller 26 are arranged together, and the distance between the pressing roller 11 and the pressing mechanism is convenient to be adjusted.

Further, the upper press roller 26 is a rubber roller; the rubber roller can effectively prolong the service life, has good elasticity, oil resistance and high temperature resistance, and further improves the conveying effect.

The lower part of the movable cutter shaft 15 is also provided with a collection outlet 39 which is convenient for collecting the thermoplastic elastomer after dicing, and the outer side of the collection outlet 39 is connected with a conical channel 14 which is convenient for collecting the bagging.

As shown in FIG. 2, the water cooling device comprises a cooling water tank 58 containing cold water, the cooling water tank 58 is supported and fixed by a water tank support 59, a water outlet 61 is arranged at the bottom of the cooling water tank 58, a water outlet pipeline 60 is communicated with the water outlet 61, thus, the cooling water tank 58 is convenient to drain, a water filling port 62 is arranged on one side of the cooling water tank 58, a water inlet pipeline 63 is communicated with the water filling port 62, an upstream water cooling conveying roller 64 and a downstream water cooling conveying roller 65 are arranged on the cooling water tank 58, the upstream water cooling conveying roller 64 and the downstream water cooling conveying roller 65 are rotatably mounted on a water cooling support sliding seat, the water cooling support sliding seat comprises a supporting plate 66 supporting and rotatably mounted upstream water cooling conveying roller 64 and downstream water cooling conveying roller 65, a sliding plate 67 is fixedly connected below the supporting plate 66, sliding grooves 68 clamped into two sides of the cooling water tank 58 are arranged at two ends of the sliding plate 67, the upstream water cooling conveying roller 64 is mounted downwards, the cooling water cooling roller 58 is positioned in the cooling water tank 58, the downstream water conveying roller 65 is mounted upwards and is higher than the cooling water cooling roller 58, the upstream water cooling roller 64 and the downstream water cooling roller 65 is rotatably mounted on the upper side surface of the water cooling roller 58, the sliding plate is rotatably connected with a sliding plate 68, thus, the water cooling roller is conveniently pushed out of the cooling roller 65 and is rotatably connected with the sliding plate 65, and is rotatably connected with the sliding plate 68, and is convenient to move from the side face of the cooling roller 65, and is convenient to rotate and is pushed out of the cooling roller 65 by the sliding plate and is connected with the cooling roller through the sliding plate 65.

In this embodiment, the extruder is a screw extruder 70, which is hot melted by feeding raw materials from a feed port and extruded into a bar shape; the screw extruder 70 is commercially available from existing equipment and is therefore not described in detail herein.

The working principle of the embodiment is as follows: firstly, raw materials are mixed and added into an extruder, then the extruder carries out hot melting and extrudes the thermoplastic elastomer into strip, then the thermoplastic elastomer is placed in a cooling water tank 58 and supported by an upstream water cooling conveying roller 64, after cooling is finished, the thermoplastic elastomer is taken out from water, then supported and conveyed to an upstream transition roller 42 by a downstream water cooling conveying roller 65, and conveyed to the downstream conveying roller again by the upstream conveying roller, at the moment, an air supply machine blows air to an air outlet housing 45 through an air supply pipe, at the moment, a semiconductor refrigerating sheet 52 in the air outlet housing 45 begins to work to cool the circulated air, the cooled air blows out from an air outlet 451 to air-cool and dry the thermoplastic elastomer between the upstream transition roller 42 and the downstream transition roller 43, the blown air enters an air return pipe 53, enters the air outlet housing 45, at the same time, the moisture on the thermoplastic elastomer is blown down on the lower housing 41, after a certain amount of water is accumulated at the bottom, the lock catch 56 is opened, the plugging plate 55 is opened to discharge the accumulated water from the water discharge port 54, the accumulated water is repeatedly subjected to air cooling by a round, the dried strip-shaped thermoplastic elastomer is sequentially placed on the guide roller 10, passes through the door plate 8 and enters the grain cutting space 4 to be positioned on the active conveying roller 11, at the moment, the operating screw 35 is pulled to deflect towards the guide roller 10, the first hinging arm 31 and the second hinging arm 32 drive the first roller seat 27 and the second roller seat 28 to enter the grain cutting space 4, at the moment, the clamping protrusions 29 of the first roller seat 27 and the second roller seat 28 are clamped into the clamping grooves 30, the upper pressing roller 26 is positioned on the active conveying roller 11, the upper pressing roller 26 is pressed against the strip-shaped thermoplastic elastomer by rotating the pressure regulating nut 36, then the screw is manually regulated, and the movement is generated between the regulating slide seat 22 and the fixing seat 21, the movable cutter shaft 15 is driven to move along the first guide rail 16, the driving motor 20 is driven to move together, after the adjusting slide seat 22 is adjusted to a proper position, the locking screw 24 is rotated to complete locking, the cover shell 38 is covered, then the driving motor 20 drives the movable cutter shaft 15 to rotate, the conveying motor 12 drives the active conveying roller 11 to rotate, the strip-shaped thermoplastic elastomer is conveyed to the fixed cutter 7, the blades 151 on the movable cutter shaft 15 are matched for granulating, and the granulated thermoplastic elastomer falls into the conical channel 14 for collection.

The above examples are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and adaptations of the technical solution of the present invention should and are intended to fall within the scope of the present invention as defined in the claims.

Claims

1. The utility model provides a thermoplastic elastomer shaping production line, includes the extruder, the water cooling plant that carries out the water-cooling to the strip thermoplastic elastomer that extrudes is installed to the low reaches of extruder, the low reaches of water cooling plant is provided with carries out the air-cooling device of drying of blowing to strip thermoplastic elastomer, the low reaches of air-cooling plant is provided with the grain device of cutting the grain to strip thermoplastic elastomer, its characterized in that: the air cooling device comprises an air cooling granulating machine seat, a lower shell is fixed on the air cooling granulating machine seat, the upper end of the lower shell is opened, an upstream transition roller and a downstream transition roller are rotatably mounted in the lower shell, a plurality of conveying annular grooves for conveying strip-shaped thermoplastic elastomers are formed in the upstream transition roller and the downstream transition roller, an air outlet cover is arranged above the lower shell, an air outlet is formed in the air outlet cover, the air outlet cover is communicated with an air outlet of an air supply fan through an air supply pipe, a semiconductor refrigerating sheet is fixed on the air outlet cover, the lower shell is connected with an air return pipe, the air return pipe is communicated with an air inlet of the air supply fan, a drain hole is formed in the bottommost end of the bottom of the lower shell, and a sealing plate is detachably mounted at the drain hole.

2. A thermoplastic elastomer molding line as claimed in claim 1, wherein: the lower bottom plate of the air outlet housing is a cylindrical bottom plate, the number of the air outlets is multiple and the air outlets are arranged on the cylindrical bottom plate, and the cylindrical bottom plate covers the upstream transition roller and the downstream transition roller.

3. A thermoplastic elastomer molding line as claimed in claim 2, wherein: the air supply fan is fixed on the air-cooled granulator seat, the air outlet of the air supply fan is upward, the air supply pipe is a metal pipe with adjustable length, the lower end of the air supply pipe is fixed on the air supply fan and connected with the air outlet of the air supply fan, and the air outlet housing is fixed at the upper end of the air supply pipe and supported by the air supply pipe.

4. A thermoplastic elastomer molding line as claimed in claim 3, wherein: the air supply pipe comprises a lower pipe section and an upper pipe section, wherein the upper pipe section is inserted into the lower pipe section, a sealing ring is arranged between the upper pipe section and the lower pipe section, and a locking bolt for locking the upper pipe section is arranged on the lower pipe section.

5. A thermoplastic elastomer molding line according to claim 4, wherein: one end of the plugging plate is hinged to the bottom of the lower shell, the other end of the plugging plate is locked with the opening edge of the water outlet through a lock catch, the bottom of the lower shell is conical, the connecting position of the air return pipe is located on the conical surface of the lower shell, and the air supply port is further formed in the air return pipe.

6. A thermoplastic elastomer molding line according to claim 5, wherein: the utility model provides a grain cutting device, including the grain cutting frame, the grain cutting frame is provided with left side board and right side board, formed the grain cutting space between left side board and the right side board, be fixed with the stationary knife on left side board and the right side board, be provided with the mechanism that presss from both sides that send the banding thermoplastic elastomer clamp on left side board and the right side board, the upper reaches that presss from both sides the mechanism that send is provided with the guider that makes things convenient for the thermoplastic elastomer direction, equal slidable mounting has a sliding support seat between left side board and the right side board, and this sliding support seat is last to rotate and install movable cutter axle, movable cutter axle extend the direction with the length direction of stationary knife is parallel, sliding support seat's slip direction is perpendicular with movable cutter axle's extend the direction, slidable mounting has the motor support on the grain cutting frame, this motor support's slip direction with the slip direction of sliding support seat is the same, fixed mounting has the driving motor who is connected with movable cutter axle transmission, be provided with the blade of a plurality of circumference equipartition on the movable cutter axle, this blade cooperates to the cutting edge of stationary knife and the mechanism of stationary knife, adjust the grain cutting frame.

7. A thermoplastic elastomer molding line as claimed in claim 6, wherein: the adjusting mechanism comprises a fixed seat fixed on the granulator seat, an adjusting slide seat is slidably mounted on the fixed seat, a screw nut mechanism used for conveniently adjusting the adjusting slide seat is arranged between the adjusting slide seat and the fixed seat, the sliding support seat and the adjusting slide seat are mutually fixed, a screw of the screw nut mechanism is used as an operation executing component, and a locking structure is arranged between the fixed seat and the adjusting slide seat.

8. A thermoplastic elastomer molding line as claimed in claim 7, wherein: the clamping and conveying mechanism comprises an active conveying roller rotatably arranged between a left side plate and a right side plate, a rough surface is arranged on the roller surface of the active conveying roller, a conveying motor in transmission connection with the active conveying roller is arranged on the machine base, a swinging frame is further arranged on the left side plate and the right side plate in a swinging mode, one end of the swinging frame is hinged to the upper ends of the left side plate and the right side plate, an upper pressing roller is rotatably arranged on the swinging frame, and a pressure regulating mechanism for regulating pressure between the upper pressing roller and the active conveying roller is arranged on the swinging frame.

9. A thermoplastic elastomer molding line as claimed in claim 8, wherein: the pressure regulating mechanism comprises an operating screw rod arranged on the deflection frame, the free end of the operating screw rod faces to the upstream conveying direction, and the operating screw rod is rotatably provided with a pressure regulating nut.

10. A thermoplastic elastomer molding line as claimed in claim 9, wherein: the swing frame comprises a first swing connecting rod, a second swing connecting rod and a connecting rod connected between the first swing connecting rod and the second swing connecting rod, the operating screw rod is arranged on the connecting rod to catch up, one ends of the first swing connecting rod and the second swing connecting rod are hinged to the upper ends of the left side plate and the right side plate, the inner sides of the middle parts of the first connecting rod and the second connecting rod are hinged to a first hinge arm and a second hinge arm, the free ends of the first hinge arm and the second hinge arm are hinged to a first roller seat and a second roller seat respectively, the upper roller is rotatably arranged on the first roller seat and the second roller seat, clamping bulges are respectively arranged on the outer side surfaces of the first roller seat and the second roller seat, clamping grooves corresponding to the clamping bulges are formed in the inner side surfaces of the left side plate and the right side plate, and when the clamping bulges are positioned in the clamping grooves, the upper roller and the driving conveying roller are matched.