CN214425172U - Start-up valve for extruder - Google Patents

Abstract

The application relates to the technical field of start valves, in particular to a start valve for an extruder, which comprises a start valve cavity and a valve core arranged on the start valve cavity, wherein a through groove for the valve core to be inserted is formed in the start valve cavity in a penetrating manner, a feed inlet and a discharge outlet which are communicated with the through groove are respectively formed in the side wall of the start valve cavity, and a transition channel for communicating the feed inlet and the discharge outlet is formed in the side wall of the valve core in a penetrating manner; the valve core is provided with a waste material leading-out channel used for being connected with the feeding hole, two ends of the waste material leading-out channel are both positioned on the side wall of the valve core, and the side wall of the driving valve cavity is provided with a discharge port used for being communicated with the waste material leading-out channel; and a driving part for pushing the valve core along the through groove is erected on the starting valve cavity. This application has and derives the waste material by the valve cavity lateral wall of driving, utilizes the abundant space in the lateral wall outside of the valve cavity of driving to place the garbage collection container, improves the effect of garbage collection's convenience.

Description

Start-up valve for extruder

Technical Field

The application relates to the technical field of start valves, in particular to a start valve for an extruder.

Background

The start valve is a component used at the discharging position of the extrusion granulator, and the start valve is used for removing semi-finished materials or unformed materials when the extrusion granulator just operates, so that subsequent processing operation is prevented from being influenced by the materials with poor quality.

Chinese patent with publication number CN205343728U discloses a start valve, which comprises a valve core, a start valve cavity, a hydraulic oil cylinder support rod, a hydraulic block, a ball head connecting rod, a hydraulic cylinder, a feed inlet and a discharge outlet, wherein the valve core is provided with a transition channel for butting the feed inlet and the discharge outlet, the bottom of the valve core is provided with a waste receiving channel, and the upper part of the waste receiving channel is bent towards the feed inlet and matched with the feed inlet.

To the correlation technique among the above-mentioned, the inventor thinks that waste material receiving channel sets up when the case bottom, in the valve working process of driving, need correspond in the case bottom and place and be used for accepting, deposit the collecting vessel who derives the waste material, nevertheless the whole use of valve of driving needs and extrusion granulator in be connected the use, the bottom headspace of valve of driving is limited, has the problem that can't place smoothly and accepts the collecting vessel of waste material, inconvenient operating personnel gets puts, collects the waste material of deriving the valve of driving.

SUMMERY OF THE UTILITY MODEL

In order to collect the waste material that the start valve was derived for operating personnel, this application provides a start valve for extruder.

The application provides a start valve for extruder adopts following technical scheme:

a start valve for an extruder comprises a start valve cavity and a valve core arranged on the start valve cavity, wherein a through groove for the valve core to insert is formed in the start valve cavity, a feed inlet and a discharge outlet which are communicated with the through groove are formed in the side wall of the start valve cavity respectively, and a transition channel for communicating the feed inlet and the discharge outlet is formed in the side wall of the valve core;

the valve core is provided with a waste material leading-out channel used for being connected with the feeding hole, two ends of the waste material leading-out channel are both positioned on the side wall of the valve core, and the side wall of the driving valve cavity is provided with a discharge port used for being communicated with the waste material leading-out channel;

and a driving part for pushing the valve core along the through groove is erected on the starting valve cavity.

Through adopting above-mentioned technical scheme, when the material is led towards the feed inlet, start driving part along wearing groove propelling movement case in advance, make waste material derive passageway intercommunication feed inlet and discharge port, the semi-manufactured goods material of the leading-in feed inlet of initial stage and not yet fashioned material derive the discharge port by the waste material derivation passageway this moment, the lateral wall of driving valve cavity is arranged in to the discharge port, the lateral wall outside space of driving valve cavity is abundant this moment, operating personnel only need can accept the waste material to the outside of driving valve cavity with the collection container that collects the waste material pushes away, the convenience of garbage collection is improved.

Optionally, the outer side wall of the start valve cavity is provided with a heating component for heating the filtering channel, the feeding port and the discharging port.

Through adopting above-mentioned technical scheme, at the leading-in start valve cavity in-process of material, the synchronous start heating part heats to filtering channel, feed inlet and discharge gate, is favorable to reducing the fused material temperature and crosses lowly to condense inside the start valve cavity and the case, improves the stability of material conduction.

Optionally, a flange is fixed on an end wall of the valve core facing the driving part, a pressing block is fixed on a pushing end of the driving part, the valve core is fixedly connected with the pressing block through the flange, and a cushion pad is arranged between the pressing block and the flange.

Through adopting above-mentioned technical scheme, the blotter is arranged in between ring flange and the briquetting, starts the drive unit at operating personnel and promotes the valve core in-process and provide buffer protection for the valve core, is favorable to reducing the impact that drive unit started fast and promotes the valve core, improves the protection to the valve core.

Optionally, the starting valve cavity is located at one end of the through groove, which is away from the driving part, and is provided with a flash collecting box, the top surface of the flash collecting box is open and faces the through groove, a guide outlet is formed in the side surface of the flash collecting box, the flash collecting box is located on the guide outlet, a box door used for plugging the guide outlet is hinged to the guide outlet, and a clamping hook used for clamping the flash collecting box is arranged on the box door.

By adopting the technical scheme, the valve core needs to slide in the through groove, at the moment, a sliding gap size is reserved between the valve core and the inner wall of the through groove, meanwhile, the valve core and the starting valve cavity need to be kept heated to avoid cooling and condensation of internal materials, a thermal expansion gap size needs to be reserved between the valve core and the through groove, in the working process, when materials are conveyed to pass through the starting valve cavity, a gap between partial materials permeating into the valve core and the inner wall of the through groove exists, when the driving part is started to push the valve core, partial materials are easily led out of the through groove from the bottom of the through groove, the flash collecting box is arranged at the bottom of the starting valve cavity in advance, flash is conveniently and quickly collected, the guide outlet can be opened by opening the clamping hook, and an operator can conveniently and quickly clean the collected flash.

Optionally, a mounting block is fixed on the end face of the start valve cavity facing the flash collecting box, a butt-joint chute is formed in the mounting block facing the flash collecting box, and a butt-joint block connected with the butt-joint chute in a sliding manner is fixed on the flash collecting box.

Through adopting above-mentioned technical scheme, operating personnel can settle the flash collecting box fast or dismantle the lower valve cavity body of opening through the butt joint spout of butt joint piece cooperation installation piece, makes things convenient for operating personnel dismouting to use the flash collecting box.

Optionally, the bottom surface of flash collecting box is provided with the waste material derivation conveyer belt that is used for accepting the waste material, the waste material derivation conveyer belt includes that a pair of rotation is connected the double-phase conveying roller to the inside wall of flash collecting box, and is a pair of the conveying roller by the flash collecting box orientation the lateral wall of export to export one side sets gradually, and is a pair of the conveying roller transmission is connected with the area of exporting, the lateral wall of flash collecting box is provided with and is used for the drive conveying roller pivoted motor.

Through adopting above-mentioned technical scheme, when needing to clear up the flash collecting box, operating personnel opens the chamber door, and the starter motor drives the transfer roller and rotates to the flash is derived by the export to the drive area of deriving, makes things convenient for operating personnel to clear up the flash of collecting in the flash collecting box fast.

Optionally, the lateral wall of flash collecting box is located one of them the one end of transfer roller is fixed with the backup pad, motor fixedly connected with slide, move towards in the backup pad the shifting chute has been seted up to the tip of transfer roller, just the slide slides and connects the shifting chute, the output of motor is with axle center fixedly connected with dop, just the transfer roller orientation the confession has been seted up to the dop the draw-in groove of dop joint, another the tip of transfer roller is with axle center fixedly connected with knob, just the knob stretches out the lateral wall of flash collecting box.

Through adopting above-mentioned technical scheme, under the condition that does not have external power source, operating personnel makes the dop break away from the draw-in groove along the shifting chute slide board, then can drive the transfer roller through twisting knob and rotate, makes things convenient for operating personnel manual drive to derive the area and rotates and derive the flash.

Optionally, the carrying surface of the guiding belt is inclined downwards from one side of the flash collecting box far away from the guiding outlet to the guiding outlet.

Through adopting above-mentioned technical scheme, the decurrent derivation area of slope is favorable to the flash to derive the in-process and relies on self gravity to derive by the export fast, improves the efficiency of the loading face of clearance derivation area.

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

1. the driving part is started in advance to push the valve core, so that the waste material guiding channel is communicated with the feeding port and the discharging port, a semi-finished material and a material which is not formed at the beginning are guided out of the discharging port through the waste material guiding channel, the discharging port is arranged on the side wall of the starting valve cavity, the space outside the side wall of the starting valve cavity is sufficient, an operator only needs to push a collecting container for collecting waste materials to the outer side of the starting valve cavity to receive the waste materials, and the convenience of waste material collection is improved;

2. when the flash collecting box needs to be cleaned, an operator opens the box door, and the motor is started to drive the conveying roller and the guide belt to guide the flash out of the guide outlet, so that the operator can conveniently and quickly clean the flash collected in the flash collecting box;

3. under the condition of no external power supply, an operator slides the sliding plate along the moving groove to enable the clamping head to be separated from the clamping groove, then the conveying roller can be driven to rotate through the twisting knob, and the operator can conveniently drive the guide belt to rotate to guide out flash through manual driving.

Drawings

Fig. 1 is a schematic structural diagram of a whole body of a starting valve cavity, a valve core, a hydraulic cylinder and a bracket in embodiment 1 of the present application.

Fig. 2 is a partial sectional view for showing a state in which a transition passage communicates with a feed port and a discharge port in embodiment 1 of the present application.

Fig. 3 is a schematic structural view for showing a state where the waste material discharge passage communicates with the feed port and the discharge port in example 1 of the present application.

Fig. 4 is a partial structural schematic diagram of the whole body of the valve cavity and the valve core flash collecting box for embodying the start-up in embodiment 2 of the present application.

Fig. 5 is a partial schematic structural diagram for showing a door opening state in embodiment 2 of the present application.

Fig. 6 is a sectional view for embodying the motor, the chuck, the catching groove, the support plate, the slide plate and the hooking groove in embodiment 2 of the present application.

Reference number specification, 1, a starting valve cavity; 11. penetrating a groove; 12. a feed inlet; 13. a discharge port; 14. a discharge port; 15. a guide frame; 16. a hydraulic cylinder; 161. briquetting; 17. a support; 18. a heating member; 19. mounting blocks; 191. butting the sliding chutes; 2. a valve core; 21. a transition passage; 22. a waste material discharge passage; 23. a cushion pad; 24. a flange plate; 3. a flash collecting box; 31. a lead-out port; 32. a box door; 321. a hook; 33. a hook groove; 34. a butt joint block; 35. a support plate; 351. a moving groove; 36. cushion blocks; 4. a waste material discharge conveyor; 41. a conveying roller; 411. a card slot; 42. leading out the belt; 43. a motor; 44. a slide plate; 45. clamping a head; 46. a knob.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a start valve for an extruder.

In embodiment 1, referring to fig. 1 and 2, a start valve for an extruder includes a start valve cavity 1, through grooves 11 longitudinally penetrate through upper and lower ends of the start valve cavity 1, a valve core 2 slidably penetrates through the grooves 11, a support 17 is fixedly supported on a bottom surface of the start valve cavity 1, guide frames 15 are longitudinally fixed at four corners of a top surface of the start valve, respectively, a driving part is fixed at a top end of each guide frame 15, the driving part is a hydraulic cylinder 16, a pressing block 161 is fixed at an end of a piston rod of the hydraulic cylinder 16, a flange 24 is coaxially fixed at a top end of the valve core 2, and a cushion 23 is sandwiched between the flange 24 and the pressing block 161 and is fixedly connected to the flange.

Referring to fig. 2 and 3, a feed inlet 12 and a discharge outlet 13 are oppositely arranged on two opposite side walls of a start valve cavity 1, the feed inlet 12, the discharge outlet 13 and a through groove 11 are communicated, a transition channel 21 radially penetrates through a side wall of a valve core 2, a waste material leading-out channel 22 is arranged below the transition channel 21 on the side wall of the valve core 2, openings at two ends of the waste material leading-out channel 22 are located at the same axial position of the valve core 2 and circumferentially distributed at 90 degrees, when a piston rod of a hydraulic cylinder 16 is in a contraction state, the valve core 2 moves to the transition channel 21 to communicate with the feed inlet 12 and the discharge outlet 13, when the piston rod of the hydraulic cylinder 16 is in an extension state, an opening at one end of the waste material leading-out channel 22 is communicated with the feed inlet 12, and a discharge outlet 14 communicated with the other end of the waste material leading-out channel 22 is arranged on the side wall of the start valve cavity 1.

Referring to fig. 3, the left outer side wall and the right outer side wall of the start valve cavity 1, which are opposite to each other, are provided with heating parts 18, the heating parts 18 are electric heaters, and the heating ends of the electric heaters face the inside of the start valve cavity 1 and the valve core 2.

The implementation principle of the embodiment 1 is as follows: after the start valve cavity 1 is assembled, when materials are led in towards the feeding hole 12, the hydraulic cylinder 16 is started in advance to pull the valve core 2 along the through groove 11, at the moment, the waste material leading-out channel 22 is communicated with the feeding hole 12 and the discharging hole 14, semi-finished materials and unformed materials led into the feeding hole 12 at the initial stage are led out of the discharging hole 14 through the waste material leading-out channel 22, the discharging hole 14 is arranged on the side wall of the start valve cavity 1, at the moment, the space outside the side wall of the start valve cavity 1 is sufficient, an operator only needs to push a collection container for collecting the waste materials to the outer side of the start valve cavity 1 to receive the waste materials, and the convenience of waste material collection is improved; in the process of guiding the subsequent molding materials into the start valve cavity 1, the hydraulic cylinder 16 is driven to push the valve core 2 to enable the transition channel 21 to be communicated with the feed port 12 and the discharge port 13, at the moment, the start valve cavity 1 and the valve core 2 normally penetrate and guide the materials, the heating component 18 is synchronously started to heat the filtering channel, the feed port 12 and the discharge port 13, the temperature of the molten materials is favorably reduced, the molten materials are excessively low and condensed in the start valve cavity 1 and the valve core 2, and the conduction stability of the materials is improved; buffer pad 23 is arranged between flange 24 and briquetting 161, and the in-process of actuating drive unit promotion case 2 provides the buffer protection for case 2 at operating personnel, is favorable to reducing the impact that drive unit started the promotion case 2 fast, improves the protection to case 2.

Example 2

Referring to fig. 4 and 5, the difference between this embodiment and embodiment 1 is that the flash collecting box 3 is disposed at the bottom of the start-up valve cavity 1, the top surface of the flash collecting box 3 is open and faces the opening of the through groove 11, the front side wall of the flash collecting box 3 is provided with a guide outlet 31, the flash collecting box 3 is hinged to the guide outlet 31 and has a box door 32, the hinged end of the box door 32 is located at the bottom of the flash collecting box 3, and the box door 32 is closed to close the guide outlet 31 when the guide outlet 31 is closed.

Referring to fig. 5 and 6, the bottom surface of the flash collecting box 3 is located below the guiding outlet 31, and two lateral sides of the bottom surface of the flash collecting box 3 respectively extend towards the outer side of the guiding outlet 31 to form spacers 36, the door 32 is supported by the two spacers 36 when being opened, the top surface of the door 32 is flush with the bottom wall of the flash collecting box 3, and the door 32 can be used as a guide plate for guiding flash.

Referring to fig. 4 and 6, the two ends of the top surface of the box door 32 in the length direction are respectively hinged with the hooks 321, the two hooks 321 opposite to the top surface of the flash collecting box 3 are respectively provided with a hook groove 33, after the box door 32 is closed on the guide outlet 31, the hooks 321 are rotated towards the flash collecting box 3, and the hooks 321 can be clamped into the hook grooves 33 and fix the box door 32.

Referring to fig. 5 and 6, the bottom surface of the start valve cavity 1 is respectively fixed with a mounting block 19 at the left side and the right side of the opening of the through groove 11, the bottom surface of the mounting block 19 is provided with a butt-joint sliding groove 191 along the length direction thereof, the top surface of the flash collecting box 3 is fixed with a butt-joint block 34 which is slidably connected with the butt-joint sliding groove 191 relative to the mounting block 19, the longitudinal section of the butt-joint block 34 in the embodiment of the application is T-shaped, and the butt-joint sliding groove 191 is correspondingly a T-shaped groove; the operator can install the flash collecting box 3 or dismantle the lower opening valve cavity 1 through the butt joint sliding groove 191 of the butt joint block 34 and the mounting block 19, and the flash collecting box 3 is convenient to disassemble and assemble for the operator.

The valve core 2 needs to slide in the through groove 11, at the moment, a sliding gap size is reserved between the valve core 2 and the inner wall of the through groove 11, meanwhile, the valve core 2 and the start valve cavity 1 need to be heated to avoid cooling and condensation of internal materials, a thermal expansion gap size needs to be reserved between the valve core 2 and the through groove 11, in the working process, when the materials are conveyed to pass through the start valve cavity 1, a part of the materials penetrate into a gap between the valve core 2 and the inner wall of the through groove 11, when the hydraulic cylinder 16 is started to push the valve core 2, the part of the materials are easily led out of the through groove 11 from the bottom of the through groove 11, the overflowing collecting box 3 is arranged at the bottom of the start valve cavity 1 in advance, overflowing materials are conveniently and quickly collected and stored, the guide outlet 31 can be opened by opening the clamping hook 321, and an operator can conveniently and quickly clean the collected overflowing materials.

Referring to fig. 4 and 6, the bottom surface of the flash collecting box 3 is inclined downwards from one side far away from the guide outlet 31 to the guide outlet 31, a waste material guiding conveyor belt 4 is arranged between two opposite side walls of the bottom of the flash collecting box 3, the waste material guiding conveyor belt 4 comprises a pair of conveying rollers 41 rotatably connected between two opposite inner side walls of the flash collecting box 3, the pair of conveying rollers 41 are sequentially arranged from the flash collecting box 3 to one side of the guide outlet 31 towards the lower side of the side wall of the guide outlet 31, the pair of conveying rollers 41 are in transmission connection with a guide belt 42, the bearing surface of the guide belt 42 is inclined downwards from one side of the flash collecting box 3 far away from the guide outlet 31 to the guide outlet 31, and the outer side wall of the flash collecting box 3 is provided with a motor 43 for driving the conveying rollers 41 far away from one side of the guide outlet 31 to rotate; when needing to clear up flash collecting box 3, operating personnel opens chamber door 32, and starter motor 43 drives transfer roller 41 and rotates to drive and derive area 42 and derive the flash from exporting the mouth 31, make things convenient for operating personnel to clear up the flash of collecting in the flash collecting box 3 fast, the decurrent area 42 of deriving of slope is favorable to the flash to derive the in-process and relies on self gravity to derive by exporting the mouth 31 fast, improves the efficiency of the loading face of the area 42 of deriving of clearance.

Referring to fig. 4 and 6, a supporting plate 35 is fixed at one end of the conveying roller 41, which is located at one side far away from the outlet 31, of the outer side wall of the flash collecting box 3, a sliding plate 44 is fixedly connected to the bottom surface of the motor 43, a moving groove 351 is formed in the top surface of the supporting plate 35 and faces the end portion of the conveying roller 41, the sliding plate 44 is connected with the moving groove 351 in a sliding manner, the output end of the motor 43 is coaxially and fixedly connected with a chuck 45, the conveying roller 41 is provided with a clamping groove 411 towards the chuck 45, the chuck 45 is provided with a rectangular section, the end portion of the other conveying roller 41 is coaxially and fixedly connected with a knob 46, and the knob 46 extends out of the outer side wall of the flash collecting box 3; under the condition that no external power supply exists, an operator slides the sliding plate 44 along the moving groove 351 to enable the clamping head 45 to be separated from the clamping groove 411, then the conveying roller 41 can be driven to rotate through the twisting knob 46, and the operator can conveniently drive the guide belt 42 to rotate to guide out flash manually.

The implementation principle of the embodiment 2 is as follows: during the operation of the start valve cavity 1 and the valve core 2, the operator slides the flash collecting box 3 in advance through the butt-joint block 34 to connect the mounting block 19, the flash collecting box 3 collects and leads out the flash penetrating the groove 11, when the accumulated flash needs to be cleaned, the operator opens the two hooks 321, and the driving motor 43 drives the conveying roller 41 and the leading-out belt 42 to rotate, so that the flash on the leading-out belt 42 can be led out through the leading-out port 31.

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

Claims (8)

1. The utility model provides a valve of driving for extruder which characterized in that: the starting valve comprises a starting valve cavity (1) and a valve core (2) arranged on the starting valve cavity (1), wherein a through groove (11) for the valve core (2) to insert penetrates through the starting valve cavity (1), a feeding hole (12) and a discharging hole (13) which are communicated with the through groove (11) are respectively formed in the side wall of the starting valve cavity (1), and a transition channel (21) for communicating the feeding hole (12) and the discharging hole (13) penetrates through the side wall of the valve core (2);

a waste material guide channel (22) used for being connected with the feeding hole (12) is formed in the valve core (2), two ends of the waste material guide channel (22) are located on the side wall of the valve core (2), and a discharge port (14) used for being communicated with the waste material guide channel (22) is formed in the side wall of the starting valve cavity (1);

and a driving part for pushing the valve core (2) along the through groove (11) is erected on the starting valve cavity (1).

2. The switch-on valve for an extruder according to claim 1, wherein: the outer side wall of the starting valve cavity (1) is provided with a heating component (18) for heating the transition channel (21), the feed inlet (12) and the discharge outlet (13).

3. The switch-on valve for an extruder according to claim 2, wherein: the end wall of the valve core (2) facing the driving part is fixedly provided with a flange plate (24), the pushing end of the driving part is fixedly provided with a pressing block (161), the valve core (2) is fixedly connected with the pressing block (161) through the flange plate (24), and a cushion pad (23) is arranged between the pressing block (161) and the flange plate (24).

4. The switch-on valve for the extruder according to any one of claims 1 to 3, characterized in that: the starting valve cavity (1) is located the through groove (11) deviates from the one end of the driving part is provided with the flash collecting box (3), the top surface of the flash collecting box (3) is opened and faces the through groove (11), the side face of the flash collecting box (3) is provided with the guide outlet (31), the flash collecting box (3) is located the guide outlet (31) is hinged with a box door (32) used for plugging the guide outlet (31), and the box door (32) is provided with a clamping hook (321) used for clamping the flash collecting box (3).

5. The switch-on valve for an extruder according to claim 4, wherein: the end face, facing the flash collecting box (3), of the starting valve cavity (1) is fixedly provided with a mounting block (19), the mounting block (19) faces the flash collecting box (3) and is provided with a butt joint sliding groove (191), and a butt joint block (34) connected with the butt joint sliding groove (191) in a sliding mode is fixed on the flash collecting box (3).

6. The switch-on valve for an extruder according to claim 4, wherein: the bottom surface of flash collecting box (3) is provided with waste material derivation conveyer belt (4) that is used for accepting the waste material, waste material derivation conveyer belt (4) are connected including a pair of rotation flash collecting box (3) is double-phase to the conveying roller (41) of inside wall, and is a pair of conveying roller (41) by flash collecting box (3) orientation the lateral wall of export (31) to export (31) one side sets gradually, and is a pair of conveying roller (41) transmission is connected with and leads out area (42), the lateral wall of flash collecting box (3) is provided with and is used for the drive conveying roller (41) pivoted motor (43).

7. The switch-on valve for an extruder according to claim 6, wherein: the lateral wall of flash collecting box (3) is located one of them the one end of transfer roller (41) is fixed with backup pad (35), motor (43) fixedly connected with slide (44), move towards in backup pad (35) shifting chute (351) have been seted up to the tip of transfer roller (41), just slide (44) and slide and connect shifting chute (351), the output of motor (43) is with axle center fixedly connected with dop (45), just transfer roller (41) orientation confession has been seted up to dop (45) draw-in groove (411) of dop (45) joint, another the tip of transfer roller (41) is with axle center fixedly connected with knob (46), just knob (46) stretch out the lateral wall of flash collecting box (3).

8. The switch-on valve for an extruder according to claim 6, wherein: the bearing surface of the guide belt (42) is inclined downwards from one side of the flash collecting box (3) far away from the guide outlet (31) to the guide outlet (31).

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