CN219294672U - Screw rod drawing device - Google Patents
Screw rod drawing device Download PDFInfo
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- CN219294672U CN219294672U CN202223571065.0U CN202223571065U CN219294672U CN 219294672 U CN219294672 U CN 219294672U CN 202223571065 U CN202223571065 U CN 202223571065U CN 219294672 U CN219294672 U CN 219294672U
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Abstract
The utility model relates to the technical field of double-screw extruders, in particular to a screw extracting device, which comprises a connecting mechanism, a screw rod and a screw rod driving mechanism, wherein the connecting mechanism is detachably connected to one end of two screw rods; the extraction mechanism is connected to one end of the connecting mechanism, which is far away from the screw rod; the reciprocating mechanism is in transmission connection with the extraction mechanism; the drawing mechanism comprises a drawing rod connected with the connecting mechanism, a drawing ring is slidably connected to the outer side wall of the drawing rod, a one-way limiting assembly is arranged between the drawing ring and the drawing rod, and the drawing ring is in transmission connection with the reciprocating mechanism. The utility model can draw out the screw rod in the machine barrel, and the device has simple structure and convenient operation.
Description
Technical Field
The utility model relates to the technical field of double-screw extruders, in particular to a screw extracting device.
Background
At present, for a double-screw extruder for industrial production, core parts for forming materials are double screws in the extruder, the double screws are arranged in a barrel of the extruder, after equipment is stopped, the double screws are required to be pulled out of the barrel for cleaning, when normal stopping is carried out, the double screws can be pulled out of the barrel by a certain distance through a screw pulling device arranged on the extruder, and then are pulled out manually, but when the extruder is abnormally stopped, the screw cannot be pulled out by the screw pulling device to enable the screw to move relatively with the barrel, and because the materials fill in gaps between the screw and the barrel, the screw pulling device cannot be pulled out manually, and therefore, the need is high.
Disclosure of Invention
The utility model aims to provide a screw rod extracting device so as to solve the problems.
In order to achieve the above object, the present utility model provides the following solutions:
a screw extraction device comprising:
the connecting mechanism is detachably connected to one end of the two screws;
the extraction mechanism is connected to one end of the connecting mechanism far away from the screw rod;
the reciprocating mechanism is in transmission connection with the extraction mechanism;
the drawing mechanism comprises a drawing rod connected with the connecting mechanism, a drawing ring is slidably connected to the outer side wall of the drawing rod, a unidirectional limiting assembly is arranged between the drawing ring and the drawing rod, and the drawing ring is in transmission connection with the reciprocating mechanism.
Preferably, the unidirectional limiting assembly comprises a plurality of square grooves formed in the side wall of the drawing rod, the square grooves are sequentially arranged at intervals along the length direction of the drawing rod, and a first slope is arranged on one side, close to the connecting mechanism, of the square grooves;
the outer side wall of the pull ring is provided with a first through hole which penetrates through, a sliding block is connected in the first through hole in a sliding way, a limit nail is fixedly connected to the sliding block, one end of the limit nail extends out of the first through hole and penetrates into the square groove, one end, close to the connecting mechanism, of the limit nail is provided with a second slope, and the second slope is matched with the first slope;
the end of the sliding block, which is far away from the limit nail, is fixedly connected with a spring, the spring is positioned in the first through hole, the end of the spring, which is far away from the sliding block, is fixedly connected with an end cover, and the end cover is fixedly connected in the first through hole.
Preferably, the reciprocating mechanism comprises a power assembly and a transmission assembly.
Preferably, the transmission assembly comprises a middle rod fixedly connected to the bottom end of the pull ring, the middle rod is vertically arranged, a sliding rod is fixedly connected to the bottom end of the middle rod, the sliding rod is horizontally and slidably connected to the sliding rail, the sliding rail is fixedly connected to the top surface of the base, the sliding rail is arranged along the length direction of the pull rod, and the sliding rod is in transmission connection with the power assembly.
Preferably, the power component comprises a motor, the motor is fixedly connected to the top surface of the base, a cam is fixedly connected to an output shaft of the motor, a transmission rod which is horizontally arranged is rotationally connected to the cam, the connection position of the transmission rod and the cam deviates from the connection position of the motor and the cam, and one end of the transmission rod, which is far away from the cam, is rotationally connected with the end part of the sliding rod.
Preferably, the screw hole has been seted up to the one end of screw rod, coupling mechanism includes threaded connection is in threaded hole's screw head, the screw head is kept away from the one end of screw rod has been seted up the second through-hole, two the coaxial setting of second through-hole, two wear to be equipped with the cross axle in the second through-hole, the cover is equipped with the one end of connecting rod on the lateral wall of cross axle, the other end of connecting rod with the pull rod is connected.
Preferably, a groove is formed in one end, close to the connecting rod, of the drawing rod, a connecting ring is rotationally connected in the groove, and the outer edge of the connecting ring is fixedly connected with one end, far away from the transverse shaft, of the connecting rod.
The utility model has the following technical effects:
when the utility model is used, the connecting mechanism is firstly connected to one end of the two screw rods, then the reciprocating mechanism moves, and the reciprocating mechanism drives the pull ring to slide along the length direction of the pull rod; be provided with one-way spacing subassembly between pull ring and the pull rod, when the pull ring is close to the screw rod, one-way spacing subassembly can not prevent to take place relative motion between pull ring and the pull rod, when the pull ring kept away from the screw rod, one-way spacing subassembly prevented to take place relative motion between pull ring and the pull rod, and reciprocating motion mechanism drives the pull rod through the pull ring to the one end motion of keeping away from the screw rod this moment to take out the screw rod.
The utility model can draw out the screw rod in the machine barrel, and the device has simple structure and convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
wherein, 1, a machine barrel; 2. a screw; 3. a screw head; 4. a horizontal axis; 5. a connecting rod; 6. a connecting ring; 7. a pull rod; 8. a square groove; 9. a base; 10. a slide bar; 11. a slide rail; 12. a transmission rod; 13. a cam; 14. a pull ring; 15. an end cap; 16. a spring; 17. a slide block; 18. a limit nail; 19. an intermediate lever; 20. and a motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the present utility model provides a screw extraction device comprising:
the connecting mechanism is detachably connected to one end of the two screws 2;
the extraction mechanism is connected to one end of the connecting mechanism far away from the screw rod 2;
the reciprocating mechanism is in transmission connection with the extraction mechanism;
the drawing mechanism comprises a drawing rod 7 connected with the connecting mechanism, a drawing ring 14 is slidably connected on the outer side wall of the drawing rod 7, a one-way limiting component is arranged between the drawing ring 14 and the drawing rod 7, and the drawing ring 14 is in transmission connection with the reciprocating mechanism.
When the utility model is used, the connecting mechanism is firstly connected to one end of the two screws 2, and then the reciprocating mechanism moves, and the reciprocating mechanism drives the pull ring 14 to slide along the length direction of the pull rod 7; be provided with one-way spacing subassembly between pull ring 14 and the pull rod 7, when pull ring 14 is close to screw rod 2, one-way spacing subassembly can not prevent to take place relative motion between pull ring 14 and the pull rod 7, and when pull ring 14 kept away from screw rod 2, one-way spacing subassembly prevents to take place relative motion between pull ring 14 and the pull rod 7, and reciprocating motion mechanism drives pull rod 7 through pull ring 14 to the one end motion of keeping away from screw rod 2 to take out screw rod 2.
In a further optimized scheme, the unidirectional limiting assembly comprises a plurality of square grooves 8 formed in the side wall of the drawing rod 7, the square grooves 8 are sequentially arranged at intervals along the length direction of the drawing rod 7, and a first slope is arranged on one side, close to the connecting mechanism, of the square grooves 8;
the outer side wall of the pull ring 14 is provided with a first through hole which penetrates through, a sliding block 17 is connected in a sliding way in the first through hole, a limit nail 18 is fixedly connected on the sliding block 17, one end of the limit nail 18 extends out of the first through hole and penetrates into the square groove 8, one end of the limit nail 18, which is close to the connecting mechanism, is provided with a second slope, and the second slope is matched with the first slope;
the end of the sliding block 17, which is far away from the limiting nail 18, is fixedly connected with a spring 16, the spring 16 is positioned in the first through hole, the end of the spring 16, which is far away from the sliding block 17, is fixedly connected with an end cover 15, and the end cover 15 is fixedly connected in the first through hole.
When the pull ring 14 is close to the screw rod 2, the limit nail 18 is retracted into the first through hole under the action of the first slope and the second slope, and the pull ring 14 and the pull rod 7 can slide relatively at the moment;
when the pull ring 14 is far away from the screw rod 2, the limit nail 18 is abutted with the square groove 8 at the moment, so that the pull ring 14 and the pull rod 7 are prevented from moving relatively, and the reciprocating mechanism drives the pull rod 7 to move towards one end far away from the screw rod 2 through the pull ring 14 at the moment, so that the screw rod 2 is pulled out. The spring 16 is used for facilitating the reset of the limit stud 18, thereby playing a limiting role.
Further preferably, the reciprocating mechanism comprises a power assembly and a transmission assembly.
Further optimizing scheme, drive assembly includes the intermediate lever 19 of rigid coupling in pull ring 14 bottom, and intermediate lever 19 vertical setting, and the bottom rigid coupling of intermediate lever 19 has slide bar 10, and slide bar 10 horizontal sliding connection is in slide rail 11, and slide rail 11 rigid coupling is on the top surface of base 9, and slide rail 11 sets up along the length direction of pull rod 7, and slide bar 10 is connected with power component transmission. The power assembly drives the sliding rod 10 to reciprocate in the sliding rail 11, so that the drawing ring 14 is driven to reciprocate, and the purpose of drawing the screw rod 2 is achieved.
Further optimizing scheme, power pack includes motor 20, and motor 20 rigid coupling is on the top surface of base 9, and the rigid coupling has cam 13 on motor 20's the output shaft, and cam 13 rotates and is connected with the transfer line 12 that the level set up, and the junction of transfer line 12 and cam 13 deviates from the junction of motor 20 and cam 13, and the one end that transfer line 12 kept away from cam 13 rotates with the tip of slide bar 10 to be connected. The cam 13 is driven to rotate by the motor 20, and the slide bar 10 is driven to reciprocate in the slide rail 11 by the transmission rod 12.
Further optimizing scheme, screw hole has been seted up to the one end of screw rod 2, and coupling mechanism includes threaded connection screw rod head 3 at threaded hole, and the second through-hole has been seted up to the one end that screw rod head 3 kept away from screw rod 2, and two second through-holes coaxial settings wear to be equipped with cross axle 4 in two second through-holes, and the cover is equipped with the one end of connecting rod 5 on the lateral wall of cross axle 4, and the other end and the pull rod 7 of connecting rod 5 are connected. The screw heads 3 are in threaded connection with the threaded holes at the end parts of the screws 2, then the connecting rod 5 is placed between the two screw heads 3, and the transverse shafts 4 sequentially penetrate through the screw heads 3 and the transverse shafts 4, so that the device can be suitable for double-screw extruders with different specifications.
Further optimizing scheme, the one end that pull rod 7 is close to connecting rod 5 is seted up flutedly, rotates in the recess and is connected with go-between 6, and the outer fringe department of go-between 6 is kept away from the one end rigid coupling of cross axle 4 with connecting rod 5. So set up, make and take out and rotate between pull rod 7 and the connecting rod 5, avoid taking out and have the inclination between pull rod 7 and the screw rod 2 to lead to the screw rod 2 damage when taking out screw rod 2.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. A screw extraction device, comprising:
the connecting mechanism is detachably connected to one end of the two screws (2);
the extraction mechanism is connected to one end of the connecting mechanism far away from the screw (2);
the reciprocating mechanism is in transmission connection with the extraction mechanism;
the drawing mechanism comprises a drawing rod (7) connected with the connecting mechanism, a drawing ring (14) is slidably connected to the outer side wall of the drawing rod (7), a unidirectional limiting assembly is arranged between the drawing ring (14) and the drawing rod (7), and the drawing ring (14) is in transmission connection with the reciprocating mechanism.
2. A screw extraction device according to claim 1, wherein: the unidirectional limiting assembly comprises a plurality of square grooves (8) formed in the side wall of the drawing rod (7), the square grooves (8) are sequentially arranged at intervals along the length direction of the drawing rod (7), and a first slope is arranged on one side, close to the connecting mechanism, of the square groove (8);
the outer side wall of the pull ring (14) is provided with a first through hole which penetrates through, a sliding block (17) is connected in a sliding way in the first through hole, a limit nail (18) is fixedly connected on the sliding block (17), one end of the limit nail (18) extends out of the first through hole and penetrates into the square groove (8), one end, close to the connecting mechanism, of the limit nail (18) is provided with a second slope, and the second slope is matched with the first slope;
one end of the sliding block (17) far away from the limiting nail (18) is fixedly connected with a spring (16), the spring (16) is located in the first through hole, one end of the spring (16) far away from the sliding block (17) is fixedly connected with an end cover (15), and the end cover (15) is fixedly connected in the first through hole.
3. A screw extraction device according to claim 2, wherein: the reciprocating mechanism comprises a power assembly and a transmission assembly.
4. A screw extraction device according to claim 3, wherein: the transmission assembly comprises a middle rod (19) fixedly connected to the bottom end of the pull ring (14), the middle rod (19) is vertically arranged, a sliding rod (10) is fixedly connected to the bottom end of the middle rod (19), the sliding rod (10) is horizontally and slidably connected to the sliding rail (11), the sliding rail (11) is fixedly connected to the top surface of the base (9), the sliding rail (11) is arranged along the length direction of the pull rod (7), and the sliding rod (10) is in transmission connection with the power assembly.
5. A screw extraction device according to claim 4, wherein: the power assembly comprises a motor (20), the motor (20) is fixedly connected to the top surface of the base (9), a cam (13) is fixedly connected to an output shaft of the motor (20), a transmission rod (12) which is horizontally arranged is rotationally connected to the cam (13), the connection position of the transmission rod (12) and the cam (13) deviates from the connection position of the motor (20) and the cam (13), and one end, away from the cam (13), of the transmission rod (12) is rotationally connected with the end of the sliding rod (10).
6. A screw extraction device according to claim 1, wherein: screw hole has been seted up to the one end of screw rod (2), coupling mechanism includes threaded connection screw rod head (3) of screw hole, screw rod head (3) are kept away from the one end of screw rod (2) has been seted up the second through-hole, two the coaxial setting of second through-hole, two wear to be equipped with cross axle (4) in the second through-hole, the cover is equipped with the one end of connecting rod (5) on the lateral wall of cross axle (4), the other end of connecting rod (5) with pull rod (7) are connected.
7. A screw extraction device according to claim 6, wherein: the drawing rod (7) is close to one end of the connecting rod (5) and is provided with a groove, a connecting ring (6) is rotationally connected in the groove, and the outer edge of the connecting ring (6) is fixedly connected with one end of the connecting rod (5) away from the transverse shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571065.0U CN219294672U (en) | 2022-12-30 | 2022-12-30 | Screw rod drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571065.0U CN219294672U (en) | 2022-12-30 | 2022-12-30 | Screw rod drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219294672U true CN219294672U (en) | 2023-07-04 |
Family
ID=86981262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223571065.0U Active CN219294672U (en) | 2022-12-30 | 2022-12-30 | Screw rod drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219294672U (en) |
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2022
- 2022-12-30 CN CN202223571065.0U patent/CN219294672U/en active Active
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