CN221315100U - Net belt type net changer equipment - Google Patents

Abstract

The utility model is suitable for the technical field of extrusion equipment, and provides mesh belt type mesh changer equipment, which comprises a mesh changer main body, a filter screen belt penetrating through the mesh changer main body, and clamping assemblies arranged on two sides of the filter screen belt; the screen changer main body comprises two symmetrically arranged half shells, a passage through which a filter screen belt passes is formed between the two half shells, a material guide cavity is formed in the middle of each half shell, and a guide cavity is formed in the outer side of each material guide cavity; according to the utility model, the two half shells are assembled, a channel for conveying the filter screen belt is formed in the middle of the two half shells, then molten materials are guided into the main body of the screen changer by the guide cavity of one half shell, the molten materials are filtered by the filter screen belt, the filtered materials are guided out by the guide cavity of the other half shell, the pressing plate is driven by the telescopic piece to clamp the filter screen belt, the materials are restrained at the communicating position of the two guide cavities, and the phenomenon of material overflow is avoided.

Description

Net belt type net changer equipment

Technical Field

The utility model belongs to the technical field of extrusion equipment, and particularly relates to mesh belt type mesh changer equipment.

Background

The screen changer is used as an important link of production lines such as extrusion, polymerization and the like, and is increasingly widely applied in related industries. The method is mainly used for the production of chemical fibers, film blowing, flat films and cast films, the manufacture of pipes, plates, wires and fibers, the dicing line, the recovery and the like. In the high-temperature, high-pressure and high-extrusion production process of the polymer material, the screen replacement without stopping the machine, the product without interruption and material leakage are realized. The screen changer has various types and is divided into a discontinuous screen changer, a continuous screen changer and a continuous backwashing screen changer.

The polymer is filtered by a filter screen in a screen changer, particles are filtered, the width of a mesh belt channel of the existing screen changer is slightly larger than the thickness of the filter screen, so that more overflows appear in the polymer extrusion process to cause screen changing blockage, the filter screen in a bin body is pulled out by a motor after extrusion for a period of time or material pressure is reduced, the position of a discharge hole is changed, the polymer at the original position is cooled to cause adhesion on the filter screen, the filter screen attached with the polymer is often treated in two ways, and firstly, part of the filter screen attached with the polymer is directly cut off; secondly, carbonizing and removing the attached polymer through a fire treatment; the first treatment mode not only can cause the waste of material, can also lead to the filter screen unable continuous use, and the second treatment mode is though can used repeatedly the filter screen, but the remaining carbide of filter screen can cause the stub bar to adhere to more carbide when the polymer extrudes, increases the waste of stub bar, in continuous production simultaneously, also can cause the material to break and appear adhering to the defective goods of carbide, influences product quality. Therefore, in order to solve the above-mentioned problems, a mesh belt type screen changer device capable of being recycled has been proposed.

Disclosure of utility model

The utility model provides mesh belt type mesh changer equipment, which aims to solve the problems that the existing mesh changer is serious in flash, cannot be recycled and is easy to cause material waste.

The utility model is realized in that the mesh belt type mesh changer equipment comprises a mesh changer main body, a filter screen belt penetrating through the mesh changer main body and clamping assemblies arranged at two sides of the filter screen belt;

The screen changer main body comprises two symmetrically arranged half shells, a passage through which a filter screen belt passes is formed between the two half shells, a material guide cavity is formed in the middle of each half shell, and a guide cavity is formed in the outer side of each material guide cavity;

The clamping assembly comprises a pressing plate matched with the guide cavity and a plurality of telescopic pieces which are sunk into the semi-shell, the telescopic pieces are connected with and drive the pressing plate, and a pressing plate is arranged on one side end face of the pressing plate, which is close to the filter screen belt.

Preferably, the filter screen belt device further comprises unreeling mechanisms arranged at two ends of the screen changer main body, and the filter screen belt is conveyed between the two unreeling mechanisms.

Preferably, the unreeling mechanism comprises an unreeling bin and a speed reducer arranged on the top surface of the unreeling bin, wherein a port of the unreeling bin is communicated with a port of a channel on one side of the net changer main body, the speed reducer is connected with and drives a winding drum rotatably arranged in the unreeling bin, and the winding drum is used for coiling the filter screen belt.

Preferably, the unreeling mechanism further comprises two parallel clamping rollers rotatably installed in the unreeling bin, the two clamping rollers are used for clamping a filter screen belt passing through the port of the unreeling bin, a speed sensor is arranged on the top surface of the unreeling bin, and the speed sensor is used for monitoring the conveying speed of the filter screen belt.

Preferably, the screen changer further comprises a feeding component and a discharging component which are respectively used for feeding and discharging the screen changer body.

Preferably, the feeding assembly comprises a feeding guide seat detachably arranged in a guide cavity of one of the half shells, a feeding heat insulation layer is arranged between the outer wall of the feeding guide seat and the inner wall of the guide cavity, and a plurality of feeding heating pipes distributed annularly around the guide cavity are arranged in the feeding guide seat;

The discharging assembly comprises a discharging guide seat which is detachably arranged in a guiding cavity of the other half shell, a discharging heat insulation layer is arranged between the outer wall of the discharging guide seat and the inner wall of the guiding cavity, and a plurality of discharging heating pipes which are distributed annularly around the guiding cavity are arranged in the discharging guide seat.

Preferably, the discharge chute has been seted up at the both ends of half shell, and is adjacent the cavity that the discharge chute encloses holds the clearance subassembly, the clearance subassembly is including dismantling drive shell and the connecting rod of connection at the discharge chute both ends, be equipped with two symmetric distributions between drive shell and the connecting rod and take the knife roll of both sides at the filter screen, the outer wall of knife roll is equipped with the scraper, the cutting edge of scraper and filter screen area contact.

Preferably, the cleaning assembly further comprises two motors arranged above the driving shell and two brush rollers symmetrically arranged on two sides of the filter screen belt, two ends of each knife roller are respectively connected with the driving shell and the connecting rod in a rotating mode, one motor is connected with the two knife rollers and drives the two knife rollers to synchronously and reversely rotate, two ends of each brush roller are respectively connected with the driving shell and the connecting rod in a rotating mode, and the other motor is connected with the two brush rollers and drives the two brush rollers to synchronously and reversely rotate.

Preferably, a temperature adjusting cavity arranged in the half shells is arranged between the material guiding cavity and the unloading groove, a temperature adjusting component is arranged in the temperature adjusting cavity and comprises a temperature adjusting cover and a temperature adjusting heat insulation layer, the temperature adjusting cover is arranged on one side end face of the two half shells opposite to each other in a sinking mode, the temperature adjusting heat insulation layer is nested on the inner wall of the temperature adjusting cavity, one side end face of the temperature adjusting cover is connected with a plurality of preheating pipes which are arranged in the temperature adjusting cavity side by side, the other side end face of the temperature adjusting cover is connected with a temperature control plate, and the temperature control plate is electrically connected with the preheating pipes.

Preferably, both sides of the temperature control plate are provided with cold flow main pipes connected with the temperature control cover, one side end surface of the temperature control cover, which is away from the temperature control plate, is detachably connected with a plurality of cooling pipes which are staggered with the preheating pipes, and both ends of each cooling pipe are respectively communicated with the cold flow main pipes on both sides of the temperature control plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the two half shells are assembled, a channel for conveying the filter screen belt is formed in the middle of the half shells, and then molten materials are guided into the main body of the screen changer by the material guiding cavity of one half shell, filtered materials are filtered by the filter screen belt, the filtered materials are guided out by the material guiding cavity of the other half shell, the pressing plate is driven by the telescopic piece to clamp the filter screen belt, the materials are restrained at the communicating position of the two material guiding cavities, and the phenomenon of material overflow is avoided;

2. According to the utility model, the filter screen belt is conveyed in a reciprocating manner through the two unreeling mechanisms, after the reeled filter screen belt is totally unreeled by any unreeling mechanism, the reeled filter screen belt is switched into a coiled state, and then is conveyed in a circulating manner between the two unreeling mechanisms through the filter screen belt, and the unreeled filter screen belt is cleaned through the brush roller by the cleaning component at the unreeled side, the material attached to the filter screen belt is stripped and scraped through the knife roller by the cleaning component at the reeled side, and residual attached materials are thoroughly and clearly removed through the brush roller, so that the problem that the filter screen belt cannot be reused is solved;

3. According to the utility model, the temperature adjusting component is arranged between the clamping component and the cleaning component, the filter screen belt is preheated by the temperature adjusting component at the unreeling side through the preheating pipe according to the conveying direction of the filter screen belt, so that the phenomenon that molten materials are condensed to influence the quality of products when the filter screen belt is transposed due to low temperature of the screen surface is avoided, the temperature adjusting component at the coiling side radiates cold energy to the filter screen belt through a refrigerant conveyed by the cooling pipe, the materials attached to the filter screen belt are rapidly cooled and condensed, the cooled attachments are directly peeled off and scraped by the scraper conveniently, and the brush roller is more favorable for thoroughly cleaning the residual attachment of the filter screen belt.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic top cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of the screen changer body mated with various components;

FIG. 4 is a schematic top cross-sectional view of FIG. 3;

FIG. 5 is a schematic diagram of the explosive structure of FIG. 3;

FIG. 6 is a schematic perspective view of a half shell;

FIG. 7 is a schematic perspective view of a clamping assembly;

FIG. 8 is a schematic view of an exploded construction of the feed assembly;

FIG. 9 is a schematic diagram of an exploded view of the outfeed assembly;

FIG. 10 is a schematic perspective view of a cleaning assembly;

FIG. 11 is a schematic view of an exploded view of the cleaning assembly;

fig. 12 is a schematic view of an expanded structure of the temperature regulating assembly.

In the figure: 1. a screen changer body; 11. a half shell; 12. a channel; 13. a material guiding cavity; 14. a guide chamber; 15. a temperature regulating cavity; 16. a discharge chute;

2. an unreeling mechanism; 21. unreeling bin; 22. a speed reducer; 23. a reel; 24. a turntable; 25. a grip roll; 26. a speed sensor;

3. a filter screen belt;

4. a feed assembly; 41. a feed guide; 42. a feed cylinder; 43. a feed insulation layer; 44. a feeding temperature control disc; 45. a feeding heating pipe;

5. A discharge assembly; 51. a discharging guide seat; 52. a discharging cylinder; 53. discharging heat insulation layer; 54. a discharging temperature control disc; 55. discharging heating pipes;

6. a clamping assembly; 61. a pressure plate; 62. a pressing plate; 63. a telescoping member;

7. A temperature regulating assembly; 71. a temperature regulating cover; 72. a temperature-regulating heat-insulating layer; 73. a temperature control plate; 74. a preheating tube; 75. a cooling tube; 76. a cold flow main pipe;

8. Cleaning the assembly; 81. a driving case; 82. a top cover; 83. a connecting rod; 84. a knife roll; 85. a scraper; 86. a brush roller; 87. a synchronizing gear; 88. a motor; 89. a main gear;

9. And a protective cylinder.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1-9, the present utility model provides a technical solution: the mesh belt type mesh changer equipment comprises a mesh changer main body 1, a filter screen belt 3 penetrating through the mesh changer main body 1, and clamping assemblies 6 arranged on two sides of the filter screen belt 3;

The screen changer main body 1 comprises two symmetrically arranged half shells 11, a channel 12 through which a filter screen belt 3 passes is formed between the two half shells 11, specifically, the two half shells 11 are distributed on two sides of the filter screen belt 3 in the conveying direction, the middle parts of the two half shells 11 are provided with guide cavities 13, the outer sides of the guide cavities 13 are provided with guide cavities 14, specifically, the guide cavities 14 are annular and are positioned on the outer sides of one end of the guide cavities 13 close to the filter screen belt 3, namely, the two half shells 11 can be assembled, a channel 12 for conveying the filter screen belt 3 is formed in the middle part of the guide cavities, then molten materials are guided into the screen changer main body 1 by the guide cavities 13 of one half shell 11, the molten materials are filtered by the filter screen belt 3, and the filtered materials are guided out by the guide cavities 13 of the other half shell 11;

The clamping assembly 6 comprises a pressing plate 61 matched with the guide cavity 14 and a plurality of telescopic members 63 sunk into the guide cavity 14, the telescopic members 63 are specifically hydraulic cylinders or air cylinders, the telescopic members 63 are annularly distributed in the guide cavity 14, the cylinder bodies of the telescopic members 63 are sunk into the guide cavity 11, meanwhile, the outer extending shaft ends of the telescopic members are connected with the pressing plate 61 through bolts, the telescopic members 63 are connected with and drive the pressing plate 61, the pressing plate 62 is arranged on one side end face of the pressing plate 61 close to the filter screen belt 3, the pressing plate 62 is specifically made of a high-temperature-resistant nonmetallic material or a metal material, the pressing plate 61 is made of a ceramic fiber plate or an aluminum silicate plate, the pressing plate 62 is driven by the telescopic members 63 to clamp the filter screen belt 3, constraint is formed on materials at the communicating positions of the two guide cavities 13, and material overflow is avoided.

Further, the screen changer further comprises a feeding component 4 and a discharging component 5 which are respectively used for feeding and discharging the screen changer body 1.

Further, the feeding assembly 4 comprises a feeding guide seat 41 detachably installed in the guide cavity 13 of one half shell 11, a feeding heat insulation layer 43 is arranged between the outer wall of the feeding guide seat 41 and the inner wall of the guide cavity 13, the feeding heat insulation layer 43 coats the feeding guide seat 41 and is attached to the inner wall of the guide cavity 13, a plurality of feeding heating pipes 45 distributed annularly around the guide cavity 13 are arranged in the feeding guide seat 41, counter bores or through holes distributed annularly around the guide cavity 13 are formed in the feeding guide seat 41, the feeding heating pipes 45 penetrate through the counter bores or through holes, a feeding temperature control disc 44 is detachably connected to the outer end face of the feeding guide seat 41, and the feeding temperature control disc 44 is connected with the feeding heating pipes 45;

The discharging component 5 comprises a discharging guide seat 51 which is detachably arranged in the guide cavity 13 of the other half shell 11, a discharging heat insulation layer 53 is arranged between the outer wall of the discharging guide seat 51 and the inner wall of the guide cavity 13, the discharging heat insulation layer 53 is used for wrapping the discharging guide seat 51 and attaching to the inner wall of the guide cavity 13, a plurality of discharging heating pipes 55 which are annularly distributed around the guide cavity 13 are arranged in the discharging guide seat 51, counter bores or through holes which are annularly distributed around the guide cavity 13 are formed in the discharging guide seat 51, the discharging heating pipes 55 penetrate through the counter bores or through holes, the discharging temperature control disc 54 is detachably connected with the outer end face of the discharging guide seat 51, the discharging temperature control disc 54 is connected with the discharging heating pipes 55, and can conduct feeding and discharging to molten materials through the feeding component 4 and the discharging component 5, and heat the feeding guide seat 41 and the discharging guide seat 51 are respectively heated through the feeding heating pipes 45 and the discharging heating pipes 55, condensation of the molten materials in the filtering process is avoided, meanwhile, the discharging heat insulation layer 43 and the discharging heat insulation layer 53 conduct heat insulation to the feeding guide seat 41 and the discharging guide seat 51 respectively, heat loss is reduced, heat loss is effectively improved, heat loss is effectively prevented, and heat conduction and heat insulation and stable heat conduction of the component 6 is avoided.

Wherein, feed guide 41 and ejection of compact guide 51's middle part wears to be equipped with feed section of thick bamboo 42 and ejection of compact section of thick bamboo 52 respectively, and feed section of thick bamboo 42 and ejection of compact section of thick bamboo 52 are used for the feeding and the ejection of compact direction of melting material respectively, can be through setting up the guide of feed section of thick bamboo 42 and ejection of compact section of thick bamboo 52 as melting material feeding and ejection of compact, and the clearance of being convenient for more is maintained in the dismantlement, compares in traditional integrated in the integral type guide structure of casing, and cost of maintenance is low, and the replacement cost is low.

In the embodiment, the two half shells 11 are assembled, a channel 12 for conveying the filter screen belt 3 is formed in the middle of the two half shells, the filter screen belt 3 passes through the channel 12, extruded molten materials are guided to the filter screen belt 3 through a feeding cylinder 42 of the feeding assembly 4, filtered through a filtering hole of the filter screen belt 3, and then guided out through a discharging cylinder 52;

before the molten material enters the screen changer main body 1, the telescopic piece 63 drives the pressing plate 61 to drive the pressing plate 62 to clamp the filter screen belt 3, two pressing plates 62 respectively form constraint on two sides of the filter screen belt 3, and in the process of filtering the molten material, the pressing plates 62 are used for avoiding overflow of the molten material, so that redundant hardening and material waste are caused;

In the process of filtering the molten material, the feeding guide seat 41 and the discharging guide seat 51 are respectively heated by the feeding heating pipe 45 and the discharging heating pipe 55, so that the molten material is prevented from being condensed due to temperature reduction in the filtering process, and meanwhile, the feeding guide seat 41 and the discharging guide seat 51 are respectively insulated by the feeding insulating layer 43 and the discharging insulating layer 53, so that heat loss is reduced, the heat efficiency is effectively improved, and the stability of the clamping assembly 6 is prevented from being influenced by heat conduction.

Example two

Referring to fig. 1-11, the first embodiment is different in that:

Further, still include setting up the unreeling mechanism 2 at the two ends of screen changer main part 1, filter screen area 3 is transmitted between two unreeling mechanisms 2, can be through setting up unreeling mechanism 2 respectively at the two ends of screen changer main part 1, carries out reciprocal unreeling and coiling to filter screen area 3 through two unreeling mechanisms 2, improves the stability that filter screen area 3 carried.

Further, the unreeling mechanism 2 comprises an unreeling bin 21 and a speed reducer 22 arranged on the top surface of the unreeling bin 21, wherein a port of the unreeling bin 21 is communicated with a port of a channel 12 on one side of the screen changer main body 1, specifically, a port through which a filter screen belt 3 passes is formed on one side of the unreeling bin 21, which is close to the screen changer main body 1, the port of the unreeling bin 21 is communicated with the port of the channel 12 of the screen changer main body 1 through a protection drum 9, the speed reducer 22 is connected with and drives a winding drum 23 rotatably arranged in the unreeling bin 21, specifically, the winding drum 23 is connected with the shaft end of the speed reducer 22, which extends into the unreeling bin 21, two ends of the winding drum 23 are respectively matched with shaft holes on the top surface and the bottom surface of the unreeling bin 21, the winding drum 23 is used for coiling the filter screen belt 3, specifically, one side of the winding drum 23 is provided with a slot, and the end of the filter screen belt 3 extends into the slot of the winding drum 23 and is fixed through bolts, so that the winding drum 23 can be rotatably arranged through the unreeling bin 21, and the winding drum 23 is driven by the speed reducer 22 to rotate so as to unreel and reel 3.

Wherein, both ends of the winding drum 23 are provided with turntables 24, and the turntables 24 restrict the coiling or uncoiling of the filter screen belt 3.

Further, the unreeling mechanism 2 further comprises two parallel clamping rollers 25 rotatably installed in the unreeling bin 21, the two clamping rollers 25 are used for clamping the filter screen belt 3 passing through the port of the unreeling bin 21, specifically, two ends of the clamping rollers 25 are matched with the inner bottom surface and the inner top surface shaft hole of the unreeling bin 21, the two clamping rollers 25 are respectively contacted with two side end surfaces of the filter screen belt 3, the top surface of the unreeling bin 21 is provided with a speed sensor 26, the speed sensor 26 is used for monitoring the conveying speed of the filter screen belt 3, specifically, the shaft end of the speed sensor 26 is connected with the shaft end of one of the clamping rollers 25 in the unreeling bin 21, the filter screen belt 3 can be clamped through the two clamping rollers 25, the rotating speed of one of the clamping rollers 25 is monitored in real time through the speed sensor 26, the line speed of coiling or unreeling of the filter screen belt 3 is obtained, and synchronous coiling and unreeling actions of the filter screen belt 3 are ensured, and the filter screen belt 3 is stably conveyed by the unreeling mechanism 2.

Further, the discharge chute 16 has been seted up at the both ends of half shell 11, the cavity that the adjacent discharge chute 16 encloses holds clearance subassembly 8, clearance subassembly 8 is including dismantling drive shell 81 and connecting rod 83 of connecting at discharge chute 16 both ends, concrete, the bottom of drive shell 81 is sunk and is installed at the cavity top of the concatenation of the discharge chute 16 of two adjacent half shells 11, the both ends of connecting rod 83 pass through bolted connection with the bottom surface of half shell 11, be equipped with two knife rolls 84 of symmetric distribution in filter screen area 3 both sides between drive shell 81 and the connecting rod 83, concrete, knife roll 84 is located one side that discharge chute 16 is close to guide chamber 13, the outer wall of knife roll 84 is equipped with scraper 85, the cutting edge of scraper 85 contacts with filter screen area 3, concrete, the recess of a plurality of annular distribution has been seted up to the outer wall of knife roll 84, the cross-section of scraper 85 is right trapezoid, one side that deviates from the cutting edge stretches into the recess of knife roll 84 outer wall, can cooperate through drive shell 81 and connecting rod 83, fix a position the installation, and then carry out the filter screen by scraper 85 of knife roll 84 outer wall to scrape off it in the material that is carried in area 3.

Further, the cleaning assembly 8 further comprises two motors 88 arranged above the driving shell 81 and two brush rollers 86 symmetrically arranged at two sides of the filter screen belt 3, specifically, a top cover 82 is arranged at the top end of an inner cavity of the driving shell 81, the motors 88 are detachably connected to the top surface of the top cover 82, the brush rollers 86 are steel wire brush rollers, the distance between the outer diameters corresponding to the outer ends of the steel wires of the two brush rollers 86 is smaller than the thickness of the filter screen belt 3, two ends of the knife rollers 84 are respectively connected with the driving shell 81 and the connecting rod 83 in a rotating manner, specifically, the top ends of the two knife rollers 84 are matched with shaft holes at the inner bottom surface of the driving shell 81 and extend into the driving shell 81, the bottom ends of the knife rollers 84 are matched with the shaft holes of the connecting rod 83, one motor 88 is connected and drives the two knife rollers 84 to rotate synchronously and reversely, specifically, the synchronous gears 87 are arranged at the shaft ends of the knife rollers 84 extending into the driving shell 81, the motor 88 corresponding to the knife roller 84 stretches into the main gear 89 meshed with the synchronous gear 87 at the shaft end in the driving shell 81, the two ends of the brush roller 86 are respectively connected with the driving shell 81 and the connecting rod 83 in a rotating way, specifically, the top ends of the two brush rollers 86 are matched with the shaft holes on the inner bottom surface of the driving shell 81 and stretch into the driving shell 81, the bottom ends of the brush rollers 86 are matched with the shaft holes of the connecting rod 83, the other motor 88 is connected with and drives the two brush rollers 86 to synchronously rotate reversely, specifically, the synchronous gear 87 is arranged at the shaft end of the brush roller 86 stretching into the driving shell 81, the synchronous gear 87 at the top ends of the two brush rollers 86 is meshed with the main gear 89 meshed with the synchronous gear 87 at the shaft end of the motor 88 corresponding to the brush roller 86, the two knife rollers 84 can be driven to synchronously rotate reversely through one motor 88, and then the scraper 85 on the outer wall of the knife roller 84 scrapes off materials adhered to the filter screen belt 3, and the two brush rolls 86 are driven to synchronously and reversely rotate by the other motor 88, and the two brush rolls 86 brush and clean the residual attachments of the filter screen belt 3.

In this embodiment, after the filtering screen 3 filters out the particulate matters in the molten material, a part of the position is blocked, in the continuous extrusion process, as the filtering screen 3 continuously filters, the pressure of the discharge end gradually decreases as the filtering matter increases, in order to avoid that the pressure of the discharge end is lower than the injection pressure of the mold, one of the speed reducers 22 drives the corresponding winding drum 23 to unwind the filtering screen 3, and the other speed reducer drives the corresponding winding drum 23 to coil, in the conveying process of the filtering screen 3, the conveying speed of the filtering screen 3 is monitored in real time by the speed sensor 26, so that the unwinding and coiling speeds of the two unwinding mechanisms 2 are consistent, and the stability of the filtering screen 3 is ensured;

In the process of conveying and transposition of the filter screen belt 3, the filter screen belt 3 is cleaned through the cleaning component 8, the cleaning component 8 on the unreeling side drives the brush roller 86 to rotate through the motor 88 to clean the unreeled filter screen belt 3, impurities attached to the filter screen belt 3 are prevented from being mixed into materials, the cleaning component 8 on the coiling side drives the cutter roller 84 to rotate through the motor 88 to enable the cutting edge of the scraper 85 to contact the filter screen belt 3, and then the materials attached to the filter screen belt 3 are scraped through the scraper 85; the knife roller 84 is driven to rotate rapidly by the motor 88, and the materials attached to the filter screen belt 3 are scraped rapidly by the plurality of scrapers 85 outside the knife roller 84 rotating rapidly;

The brush roller 86 is driven to rotate rapidly by the other motor 88 on the coil side, so that the residual materials on the filter screen belt 3 are thoroughly cleaned, and the filter screen belt 3 is reused.

Example III

Referring to fig. 1-12, the first embodiment is different in that:

Further, the temperature adjusting cavity 15 arranged in the half shells 11 is arranged between the material guiding cavity 13 and the unloading groove 16, the temperature adjusting cavity 15 is a through square through hole and is positioned at two sides of the filter screen belt 3, the temperature adjusting assembly 7 is arranged in the temperature adjusting cavity 15, the temperature adjusting assembly 7 comprises a temperature adjusting cover 71 sunk into one end face of the opposite sides of the two half shells 11 and a temperature adjusting heat insulation layer 72 nested in the inner wall of the temperature adjusting cavity 15, the temperature adjusting heat insulation layer 72 is used for coating the temperature adjusting cover 71 and is attached to the inner wall of the temperature adjusting cavity 15, one end face of the temperature adjusting cover 71 is connected with a plurality of preheating pipes 74 which are arranged in the temperature adjusting cavity 15 in parallel, the other end face of the temperature adjusting cover 71 is connected with a temperature control plate 73, the temperature control plate 73 is electrically connected with the preheating pipes 74, the temperature adjusting heat insulation cover 71 and the half shells 11 can be matched with the preheating pipes 74 through the temperature control plate 73, and further heat the filter screen belt 3 at one side of the material guiding cavity 13, and the temperature adjusting heat is effectively prevented from being influenced by the temperature control plate 73 when the position of the filter screen belt 3 is replaced, molten materials are low, the molten materials are enabled to form in a transient state, condensation quality of the extruded particles are caused, and the product quality is influenced in the process of the extrusion of the impurities.

Further, both sides of the temperature control plate 73 are respectively provided with a cold flow main pipe 76 connected with the temperature control plate 71, one side end face of the temperature control plate 73, which is far away from the temperature control plate 73, is detachably connected with a plurality of cooling pipes 75 which are staggered with the preheating pipes 74, and specifically, the cooling pipes 75 and the preheating pipes 74 are arranged at intervals, so that the preheating treatment and the cooling treatment switching of the filter screen belt 3 can be conveniently carried out according to the conveying direction of the filter screen belt 3, both ends of the cooling pipes 75 are respectively communicated with the cold flow main pipes 76 at both sides of the temperature control plate 73, and specifically, the cooling pipes 75 are in a U shape, the two cold flow main pipes 76 are respectively used as an inlet and an outlet of a refrigerant in the cooling pipes 75 and are connected into a refrigerant conveying path, the refrigerant can be matched with the cooling pipes 75 through the cold flow main pipes 76, the refrigerant is introduced into the temperature control cavity 15, and then the filter screen belt 3 at the other side of the material guide cavity 13 is cooled through the cooling pipes 75, and then the material attached to the filter screen belt 3 is quickly condensed, the scraper 85 is more conveniently peels off the condensed material from the filter screen belt 3, the material is prevented from being tied in the filter holes, and the brush roller 86 is more thoroughly cleaned.

In the embodiment, during the conveying process of the filter screen belt 3, the temperature adjusting component 7 at the unreeling side controls the preheating pipe 74 to heat through the temperature control plate 73, and radiates heat to the filter screen belt 3 through the matching of the temperature adjusting cavity 15 and the temperature adjusting heat insulation layer 72 to heat and preheat the filter screen belt 3, so that the phenomenon that in the transposition process of the filter screen belt 3, due to low temperature of a screen surface, molten materials form partial condensation at a filter hole, and particle impurities appear in the material extrusion process to influence the product quality is avoided;

The temperature adjusting component 7 on the coil side is matched with the cooling pipe 75 through the cold flow main pipe 76, the cold quantity of the refrigerant is radiated to the filter screen belt 3, the transposed high-heat attachments are cooled, and the condensed materials can be directly peeled off by the scraper 85 when being cleaned through the cleaning component 8, so that the materials are prevented from being hardened in the filter holes, and the brush roller 86 is beneficial to thoroughly cleaning the filter screen belt 3.

In addition, compared with the traditional screen changer, the screen changer can effectively avoid material overflow, realize the recycling of the filter screen belt, avoid the treatment modes of cutting off the filter screen, carbonizing attachments and the like, avoid the waste of the material and pollute the environment, and simultaneously avoid the problems of product quality reduction caused by the attachment of impurities to the filter screen.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a guipure formula screen changer equipment, includes screen changer main part (1) and passes screen area (3) of screen changer main part (1), its characterized in that: the filter screen belt (3) is provided with a plurality of clamping assemblies (6);

The screen changer main body (1) comprises two symmetrically arranged half shells (11), a passage (12) through which the filter screen belt (3) passes is formed between the two half shells (11), a material guide cavity (13) is formed in the middle of each half shell (11), and a guide cavity (14) is formed in the outer side of each material guide cavity (13);

The clamping assembly (6) comprises a pressing plate (61) matched with the guide cavity (14) and a plurality of telescopic pieces (63) sunk into the half shell (11), the telescopic pieces (63) are connected with and drive the pressing plate (61), and a pressing plate (62) is arranged on one side end face of the pressing plate (61) close to the filter screen belt (3).

2. A mesh belt changer device as claimed in claim 1, characterized in that: the filter screen belt (3) is transmitted between the two unreeling mechanisms (2).

3. A mesh belt changer device as claimed in claim 2, characterized in that: unreeling mechanism (2) including unreeling storehouse (21) and set up speed reducer (22) at unreeling storehouse (21) top surface, the port of unreeling storehouse (21) communicates with passageway (12) port of screen changer main part (1) one side, speed reducer (22) are connected and drive have reel (23) of rotation installation in unreeling storehouse (21), reel (23) are used for coiling filter screen strip (3).

4. A mesh belt changer device as claimed in claim 3, characterized in that: the unreeling mechanism (2) further comprises two parallel clamping rollers (25) rotatably arranged in the unreeling bin (21), the two clamping rollers (25) are used for clamping the filter screen belt (3) passing through the port of the unreeling bin (21), and a speed sensor (26) is arranged on the top surface of the unreeling bin (21).

5. A mesh belt changer device as claimed in claim 1, characterized in that: the screen changer also comprises a feeding component (4) and a discharging component (5) which are respectively used for feeding and discharging the screen changer body (1).

6. A web changer device according to claim 5, characterized by: the feeding assembly (4) comprises a feeding guide seat (41) which is detachably arranged in a guide cavity (13) of one half shell (11), a feeding heat insulation layer (43) is arranged between the outer wall of the feeding guide seat (41) and the inner wall of the guide cavity (13), and a plurality of feeding heating pipes (45) which are annularly distributed around the guide cavity (13) are arranged in the feeding guide seat (41);

The discharging assembly (5) comprises a discharging guide seat (51) detachably arranged in a material guiding cavity (13) of the other half shell (11), a discharging heat insulation layer (53) is arranged between the outer wall of the discharging guide seat (51) and the inner wall of the material guiding cavity (13), and a plurality of discharging heating pipes (55) annularly distributed around the material guiding cavity (13) are arranged in the discharging guide seat (51).

7. A mesh belt changer device as claimed in claim 1, characterized in that: discharge chute (16) have been seted up at the both ends of half shell (11), and is adjacent discharge chute (16) enclose cavity and hold clearance subassembly (8), clearance subassembly (8) are including dismantling drive shell (81) and connecting rod (83) at discharge chute (16) both ends, be equipped with two symmetric distributions between drive shell (81) and connecting rod (83) and take knife roll (84) of both sides in filter screen area (3), the outer wall of knife roll (84) is equipped with scraper (85), the cutting edge of scraper (85) contacts with filter screen area (3).

8. A web changer device according to claim 7, characterized by: the cleaning assembly (8) further comprises two motors (88) arranged above the driving shell (81) and two brush rollers (86) symmetrically arranged on two sides of the filter screen belt (3), two ends of the knife roller (84) are respectively connected with the driving shell (81) and the connecting rod (83) in a rotating mode, one motor (88) is connected with the two knife rollers (84) in a synchronous reverse rotation mode, two ends of the brush roller (86) are respectively connected with the driving shell (81) and the connecting rod (83) in a rotating mode, and the other motor (88) is connected with the two brush rollers (86) in a synchronous reverse rotation mode.

9. A web changer device according to claim 8, characterized by: the automatic temperature control device is characterized in that a temperature control cavity (15) formed in the half shell (11) is arranged between the material guide cavity (13) and the discharge chute (16), a temperature control assembly (7) is arranged in the temperature control cavity (15), the temperature control assembly (7) comprises a temperature control cover (71) and a temperature control heat insulation layer (72), the temperature control cover (71) is arranged on one side end face of the two half shells (11) opposite to each other, the temperature control heat insulation layer (72) is nested on the inner wall of the temperature control cavity (15), one side end face of the temperature control cover (71) is connected with a plurality of preheating pipes (74) which are arranged in the temperature control cavity (15) side by side, the other side end face of the temperature control cover (71) is connected with a temperature control plate (73), and the temperature control plate (73) is electrically connected with the preheating pipes (74).

10. A web changer device according to claim 9, characterized by: the cold flow main pipes (76) connected with the temperature control plates (73) are arranged on two sides of the temperature control plates (73), a plurality of cooling pipes (75) which are staggered with the preheating pipes (74) are detachably connected to one side end face of the temperature control plates (73) away from the temperature control plates (71), and two ends of each cooling pipe (75) are respectively communicated with the cold flow main pipes (76) on two sides of the temperature control plates (73).