CN205818392U - Screw feeder - Google Patents
Screw feeder Download PDFInfo
- Publication number
- CN205818392U CN205818392U CN201620502537.2U CN201620502537U CN205818392U CN 205818392 U CN205818392 U CN 205818392U CN 201620502537 U CN201620502537 U CN 201620502537U CN 205818392 U CN205818392 U CN 205818392U
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- China
- Prior art keywords
- conveying pipeline
- feed opening
- clamping cylinder
- blanking
- flexible pipe
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Abstract
The utility model discloses a kind of screw feeder, including: in conveying pipeline, the two ends of material guiding screw expansion bearing respectively is on the end plate at conveying pipeline two ends, the top of the conveying pipeline of feeding end offers charging aperture, the bottom of the conveying pipeline of discharging end offers feed opening, it is provided with on feed opening and opens for controlling feed opening, the baiting control device closed, the outside of conveying pipeline one end is provided with motor, under the driving of motor, material guiding screw can rotate in conveying pipeline, thus the material entered in conveying pipeline is carried to blanking extreme direction from feeding end, the material being delivered to discharging end is discharged from feed opening, the structure of baiting control device includes: connecting on feed opening has one section of blanking flexible pipe, the both sides of blanking flexible pipe are provided with clamp system, clamp system can clamp blanking flexible pipe and cut out feed opening and maybe can unclamp flexible pipe and open feed opening.The utility model has the advantage of: simple in construction, cost of manufacture are low, folding is reliable, and blanking smoothness is greatly improved.
Description
Technical field
This utility model relates to the material transfer equipment technical field in plastic extrusion production system, is specifically related to screw feeder.
Background technology
It is mostly powder material that the raw materials for production of plastic material or tubing include major ingredient and adjuvant, major ingredient and adjuvant.Screw feeder is used for adding raw materials into extruder.The structure of traditional screw feeder includes: horizontally disposed conveying pipeline, longitudinally through being provided with material guiding screw in conveying pipeline, the two ends of material guiding screw expansion bearing respectively is on the end plate at conveying pipeline two ends, the two ends of conveying pipeline are respectively feeding end and discharging end, the top of the conveying pipeline of feeding end offers charging aperture, the bottom of the conveying pipeline of discharging end offers feed opening, the baiting control device for controlling feed opening folding it is provided with on feed opening, the outside of conveying pipeline one end is provided with motor, the output shaft of motor is connected with the material guiding screw of this end, under the driving of motor, material guiding screw can rotate in conveying pipeline, thus the material entered in conveying pipeline is carried to blanking extreme direction from feeding end, the material being delivered to discharging end is discharged from feed opening.There is following defect in traditional screw feeder: the structure of the baiting control device on feed opening is complicated, and cost of manufacture is high, and blanking smoothness is poor.
Utility model content
This utility model technical issues that need to address are: provide a kind of simple in construction and can be greatly improved the screw feeder of blanking smoothness.
nullFor solving the problems referred to above，The technical solution adopted in the utility model is: screw feeder，Including: horizontally disposed conveying pipeline，Longitudinally through being provided with material guiding screw in conveying pipeline，The two ends of material guiding screw expansion bearing respectively is on the end plate at conveying pipeline two ends，The two ends of conveying pipeline are respectively feeding end and discharging end，The top of the conveying pipeline of feeding end offers charging aperture，The bottom of the conveying pipeline of discharging end offers feed opening，It is provided with on feed opening and opens for controlling feed opening、The baiting control device closed，The outside of conveying pipeline one end is provided with motor，The output shaft of motor is connected with the material guiding screw of this end，Under the driving of motor, material guiding screw can rotate in conveying pipeline，Thus the material entered in conveying pipeline is carried to blanking extreme direction from feeding end，The material being delivered to discharging end is discharged from feed opening，The structure of described baiting control device includes: connecting on feed opening has one section of blanking flexible pipe，The both sides of blanking flexible pipe are provided with clamp system，Clamp system can clamp blanking flexible pipe and cut out feed opening and maybe can unclamp blanking flexible pipe and open feed opening.
Further, aforesaid screw feeder, wherein, the structure of clamp system includes: be respectively arranged in a pair clamping cylinder the first clamping cylinder and second clamping cylinder of blanking flexible pipe both sides, the head of the piston rod of the first clamping cylinder is installed with first pinch roll, the head of the piston rod of the second clamping cylinder is installed with a pair second pinch roll setting up and down, the piston rod of the first clamping cylinder and the second clamping cylinder stretches out respectively and can order about the first pinch roll and the second pinch roll is mutually drawn close, until the roll surface of the first pinch roll roll surface with two second pinch rolls respectively is mutually adjacent to and is formed, lower twice clamping face, thus feed opening is closed in the clamping of blanking flexible pipe；The piston rod of the first clamping cylinder and the second clamping cylinder is retracted respectively inwards and can be ordered about the first pinch roll and the second pinch roll is located remotely from each other, thus unclamps blanking flexible pipe and open feed opening.
Further, aforesaid screw feeder, wherein, the structure of clamp system includes: be fixedly connected with mounting bracket on the outer wall of the conveying pipeline of discharging end, and the first described clamping cylinder and the cylinder body of the second clamping cylinder are respectively and fixedly installed in mounting bracket.
Yet further, aforesaid screw feeder, wherein, the structure of clamp system includes: be also installed with sleeve in mounting bracket, and sleeve set is outer at blanking flexible pipe and in the first clamping cylinder and the piston rod of the second clamping cylinder and the first pinch roll and the second pinch roll being all enclosed in.
Further, aforesaid screw feeder, wherein, the structure of clamp system includes: material guiding screw is divided into two section feeding section material guiding screws and blanking section material guiding screw from feed end to blanking extreme direction, and the pitch of blanking section material guiding screw is 1.5～2.0 times of feed zone guide spiro rod pitch.
Further, aforesaid screw feeder, wherein, the structure of clamp system includes: the head of the piston rod of the first clamping cylinder is installed with the first mounting rod, and the first described pinch roll is arranged on the first mounting rod；The head of the piston rod of the second clamping cylinder is installed with the second mounting rod, and two second pinch rolls are arranged on the second mounting rod.
Further, aforesaid screw feeder, wherein, the structure of clamp system includes: described motor is reducing motor.
The utility model has the advantages that: closing feed opening by clamp system clamping blanking flexible pipe or unclamp blanking flexible pipe and open feed opening, the simple in construction of this control feed opening folding, cost of manufacture are low, and opening and closing are reliable, and blanking smoothness is greatly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of screw feeder described in the utility model.
Fig. 2 is the structure for amplifying schematic diagram of part A in Fig. 1.
Detailed description of the invention
The utility model is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, screw feeder, including: horizontally disposed conveying pipeline 1, longitudinally through being provided with material guiding screw 2 in conveying pipeline 1, in the expansion bearing bearing block on the end plate at conveying pipeline 1 two ends respectively of the two ends of material guiding screw 2.The two ends of conveying pipeline 1 are respectively feeding end and discharging end, and the top of the conveying pipeline 1 of feeding end offers charging aperture 3, and the bottom of the conveying pipeline 1 of discharging end offers feed opening 4, and feed opening 4 is provided with the baiting control device for controlling feed opening 4 opening and closing.The outside of conveying pipeline 1 one end is provided with motor 6, and in the present embodiment, motor 6 is arranged on the outside of conveying pipeline 1 feeding end, and the motor 6 described in the present embodiment is reducing motor.The output shaft of motor 6 is connected with the material guiding screw 2 of this end, under the driving of motor 6, material guiding screw 2 can rotate in conveying pipeline 1, thus the material entered in conveying pipeline 1 is carried to blanking extreme direction from feeding end, the material being delivered to discharging end is discharged from feed opening 4.In the present embodiment, material guiding screw 2 is divided into two section feeding section material guiding screws 21 and blanking section material guiding screw 22 from feed end to blanking extreme direction, the pitch of blanking section material guiding screw 22 is 1.5～2.0 times of feed zone guide spiro rod 21 pitch, material guiding screw 2 is divided into the effect of pitch different two sections to be: adjusts the translational speed of material in conveying pipeline 1, makes speed during material blanking slow down.In actual production, can be according to producing the multiple needed between corresponding pitch and feed zone guide spiro rod 21 pitch adjusting blanking section material guiding screw 22.
The structure of baiting control device includes: connecting on feed opening 4 has one section of blanking flexible pipe 7, and the both sides of blanking flexible pipe 7 are provided with clamp system 5.Described clamp system 5 can clamp blanking flexible pipe 7 and cut out feed opening 4 and maybe can unclamp flexible pipe 7 and open feed opening 4.Specifically, in the present embodiment, the structure of clamp system 5 includes: be respectively arranged in a pair clamping cylinder the first clamping cylinder 51 and second clamping cylinder 52 of blanking flexible pipe 7 both sides, the head of the piston rod of the first clamping cylinder 51 is installed with the first mounting rod 501, and the first mounting rod 501 is provided with first pinch roll 511；The head of the piston rod of the second clamping cylinder 52 is installed with the second mounting rod 502, and the second mounting rod 502 is provided with setting up and down two piece the second pinch roll 521.The piston rod of the first clamping cylinder 51 and the second clamping cylinder 52 stretches out respectively and can order about the first pinch roll 511 and the second pinch roll 521 is mutually drawn close, until the roll surface of the first pinch roll 511 roll surface with two second pinch rolls 521 respectively is mutually adjacent to and forms upper and lower twice clamping face, thus clamp blanking flexible pipe 7 and close feed opening 4.The first pinch roll 511 and two second pinch rolls 521 are used mutually to clamp and can form upper and lower twice clamping face, it is thus possible to close feed opening 4 more reliably.The piston rod of the first clamping cylinder 51 and the second clamping cylinder 52 is retracted respectively inwards and can be ordered about the first pinch roll 511 and the second pinch roll 521 is located remotely from each other, thus unclamps blanking flexible pipe 7 and open feed opening 4.Being fixedly connected with mounting bracket 8 on the outer wall of the conveying pipeline 1 of discharging end, the first described clamping cylinder 51 and the cylinder body of the second clamping cylinder 52 are respectively and fixedly installed in mounting bracket 8.Sleeve 9 also it is installed with in mounting bracket 8; it is outer and in the first clamping cylinder 51 and the piston rod of the second clamping cylinder 52 and the first pinch roll 511 and the second pinch roll 521 being all enclosed in that sleeve 9 is sleeved on blanking flexible pipe 7; the effect arranging sleeve 9 is: one, effectively protects the first clamping cylinder 51 and piston rod of the second clamping cylinder 52, prevents the piston rod of the first clamping cylinder 51 and the second clamping cylinder 52 from being damaged by external force；Two, prevent blanking flexible pipe 7 from being disturbed by external factor, it is ensured that blanking flexible pipe 7 normally works.
Operation principle is as follows: material enters in conveying pipeline 1 from charging aperture 3, and motor 6 drives material guiding screw 2 to rotate in conveying pipeline 1, thus is constantly carried to discharging end from feed end by the material entered in conveying pipeline 1.During blanking, the first pinch roll 511 on the first clamping cylinder 51 piston rod and two pinch rolls 521 on the second clamping cylinder 52 piston rod are located remotely from each other, and feed opening 4 is in open mode.When needs stop blanking, the first clamping cylinder 51 and the second clamping cylinder 52 drive the first pinch roll 511 and the second pinch roll 521 mutually to draw close until clamping blanking flexible pipe 7, thus close feed opening 4.
The utility model has the advantage of: be respectively provided with first pinch roll 511 and two second pinch rolls 521 in the both sides of blanking flexible pipe 7, the first pinch roll 511 and two second pinch rolls 521 are made to draw close and close feed opening 4 to clamping blanking flexible pipe 7 by air cylinder driven, or be located remotely from each other and unclamp blanking flexible pipe 7 and open feed opening 4, the simple in construction of this control feed opening 4 folding, cost of manufacture are low, and opening and closing are reliable, and blanking smoothness is greatly improved.
Claims (7)
- null1. screw feeder，Including: horizontally disposed conveying pipeline，Longitudinally through being provided with material guiding screw in conveying pipeline，The two ends of material guiding screw expansion bearing respectively is on the end plate at conveying pipeline two ends，The two ends of conveying pipeline are respectively feeding end and discharging end，The top of the conveying pipeline of feeding end offers charging aperture，The bottom of the conveying pipeline of discharging end offers feed opening，It is provided with on feed opening and opens for controlling feed opening、The baiting control device closed，The outside of conveying pipeline one end is provided with motor，The output shaft of motor is connected with the material guiding screw of this end，Under the driving of motor, material guiding screw can rotate in conveying pipeline，Thus the material entered in conveying pipeline is carried to blanking extreme direction from feeding end，The material being delivered to discharging end is discharged from feed opening，It is characterized in that: the structure of described baiting control device includes: connecting on feed opening has one section of blanking flexible pipe，The both sides of blanking flexible pipe are provided with clamp system，Clamp system can clamp blanking flexible pipe and cut out feed opening and maybe can unclamp blanking flexible pipe and open feed opening.
- Screw feeder the most according to claim 1, it is characterized in that: the structure of clamp system includes: be respectively arranged in a pair clamping cylinder the first clamping cylinder and second clamping cylinder of blanking flexible pipe both sides, the head of the piston rod of the first clamping cylinder is installed with first pinch roll, the head of the piston rod of the second clamping cylinder is installed with a pair second pinch roll setting up and down, the piston rod of the first clamping cylinder and the second clamping cylinder stretches out respectively and can order about the first pinch roll and the second pinch roll is mutually drawn close, until the roll surface of the first pinch roll roll surface with two second pinch rolls respectively is mutually adjacent to and is formed, lower twice clamping face, thus feed opening is closed in the clamping of blanking flexible pipe；The piston rod of the first clamping cylinder and the second clamping cylinder is retracted respectively inwards and can be ordered about the first pinch roll and the second pinch roll is located remotely from each other, thus unclamps blanking flexible pipe and open feed opening.
- Screw feeder the most according to claim 2, it is characterised in that: being fixedly connected with mounting bracket on the outer wall of the conveying pipeline of discharging end, the first described clamping cylinder and the cylinder body of the second clamping cylinder are respectively and fixedly installed in mounting bracket.
- Screw feeder the most according to claim 3, it is characterized in that: be also installed with sleeve in mounting bracket, sleeve set is outer at blanking flexible pipe and in the first clamping cylinder and the piston rod of the second clamping cylinder and the first pinch roll and the second pinch roll being all enclosed in.
- 5. according to the screw feeder described in claim 1 or 2 or 3 or 4, it is characterized in that: material guiding screw is divided into two section feeding section material guiding screws and blanking section material guiding screw from feed end to blanking extreme direction, the pitch of blanking section material guiding screw is 1.5～2.0 times of feed zone guide spiro rod pitch.
- 6. according to the screw feeder described in Claims 2 or 3 or 4, it is characterised in that: the head of the piston rod of the first clamping cylinder is installed with the first mounting rod, and the first described pinch roll is arranged on the first mounting rod；The head of the piston rod of the second clamping cylinder is installed with the second mounting rod, and two second pinch rolls are arranged on the second mounting rod.
- 7. according to the screw feeder described in claim 1 or 2 or 3 or 4, it is characterised in that: described motor is reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502537.2U CN205818392U (en) | 2016-05-30 | 2016-05-30 | Screw feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502537.2U CN205818392U (en) | 2016-05-30 | 2016-05-30 | Screw feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205818392U true CN205818392U (en) | 2016-12-21 |
Family
ID=57558744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620502537.2U Expired - Fee Related CN205818392U (en) | 2016-05-30 | 2016-05-30 | Screw feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205818392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936114A (en) * | 2016-05-30 | 2016-09-14 | 张家港市繁昌机械有限公司 | Spiral feeding device |
-
2016
- 2016-05-30 CN CN201620502537.2U patent/CN205818392U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936114A (en) * | 2016-05-30 | 2016-09-14 | 张家港市繁昌机械有限公司 | Spiral feeding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20210530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |