CN217582792U

CN217582792U - Splicing assembly and screw element

Info

Publication number: CN217582792U
Application number: CN202221623272.3U
Authority: CN
Inventors: 徐礼兵; 吴燕; 王先觉
Original assignee: Nanjing Lesun Screw Co ltd
Current assignee: Nanjing Lesun Screw Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-14
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to a screw rod component technical field specifically discloses a concatenation subassembly and screw rod component, include: the conveying element is positioned in the middle of the main screw and comprises a cylinder, and the cylinder consists of a fixed disc, a first cylinder and a second cylinder, wherein the diameters of the fixed disc, the first cylinder and the second cylinder are sequentially reduced; the first lantern ring is movably sleeved on the outer side of the first cylinder, the second lantern ring is movably sleeved on the outer side of the first cylinder, and the end face of the second lantern ring is attached to the end face of the first lantern ring; the beneficial effects are that: through all fixedly connected with first cylinder and second cylinder in proper order at the both sides face of fixed disk, and first cylindrical diameter is greater than the cylindrical diameter of second, and first tooth's socket and second tooth's socket have been seted up respectively on first cylindrical surface and the cylindrical surface of second, and when certain helical rack damaged, it only need pull down first lantern ring or second lantern ring and change, need not to change whole conveying element to reach the effect of sparingly accessory.

Description

Splicing assembly and screw element

Technical Field

The utility model relates to a screw rod component technical field specifically is a concatenation subassembly and screw rod component.

Background

The screw elements are various sections of non-flighted form added to the homogenizing or melting section of a barrier or split-flow screw. The screw elements may be integral with the screw or may be attached to the body of the screw. Depending on the function of these sections, they are referred to as conveying elements, compression elements, shearing elements, mixing elements or homogenizing elements, respectively.

The conveying element is usually provided with a plurality of groups of helical racks or auxiliary threads on the surface of the cylinder, but the size and the outer diameter of the helical racks or the auxiliary threads are smaller than the thread size of the main screw, so that the conveying element can convey materials and prevent the materials from being clamped outside the screw.

But present conveying element structure is fixed usually, and the multiunit rack chute that the conveying element cylinder surface set up can't be dismantled or the concatenation, when the rack chute damaged, need change whole conveying element, and is comparatively extravagant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concatenation subassembly and screw rod component to the multiunit helical rack that sets up on the transport element cylinder surface that proposes in solving above-mentioned background art can't dismantle the problem of perhaps concatenation.

In order to achieve the above object, the utility model provides a following technical scheme: a splice assembly, comprising:

the conveying element is positioned in the middle of the main screw rod and comprises a cylinder body, the cylinder body consists of a fixed disc, a first cylinder and a second cylinder, the diameters of the fixed disc, the first cylinder and the second cylinder are sequentially reduced, two side faces of the fixed disc are fixedly connected with the first cylinder, the end part of the first cylinder is fixedly connected with the second cylinder, and the outer side wall of the first cylinder and the outer side wall of the second cylinder are respectively provided with a first tooth socket and a second cylinder; and

first lantern ring and second lantern ring, first lantern ring activity is cup jointed in the first cylindrical outside, just the terminal surface of the first lantern ring is laminated with the side of fixed disk, the activity of second lantern ring is cup jointed in the first cylindrical outside, just the terminal surface of the second lantern ring is laminated with the terminal surface of first lantern ring, the equal fixedly connected with helical rack of lateral wall of the first lantern ring and the lateral wall of the second lantern ring, the inside wall of the first lantern ring and the equal fixedly connected with inner rack of the inside wall of the second lantern ring, the inner rack that is located the inside wall of the first lantern ring meshes with first tooth's socket, the inner rack that is located the inside wall of the second lantern ring meshes with second tooth's socket.

Preferably, the first tooth groove and the second tooth groove are both provided with a plurality of tooth grooves, and the first tooth groove and the second tooth grooves are distributed on the outer side wall of the first cylinder and the outer side wall of the second cylinder in an annular array mode.

Preferably, the inner racks and the plurality of helical racks are both provided with a plurality of helical racks, and the plurality of inner racks and the plurality of helical racks are distributed in an annular array.

Preferably, the end surface of the second cylinder is provided with a first screw hole, and the end surface of the second cylinder is attached with an annular pad.

Preferably, a second screw hole is formed in one end face, close to the conveying element, of the main screw rod, a screw rod is fixedly connected to the middle of the annular pad in a penetrating mode, and two ends of the screw rod are respectively in threaded connection with an inner cavity of the first screw hole and an inner cavity of the second screw hole.

Preferably, the lateral wall of the main screw rod is provided with a conveying thread, one end face of the main screw rod, far away from the conveying element, is fixedly connected with a connector, a flat notch is formed in the surface of the connector, and a positioning hole is formed in the middle of the connector in a penetrating mode.

A screw element comprises the splicing assembly.

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

the utility model discloses an equal first cylinder of fixedly connected with and second cylinder in proper order at the both sides face of fixed disk, and first cylindrical diameter is greater than the cylindrical diameter of second, first tooth's socket and second tooth's socket have been seted up respectively on first cylindrical surface and the cylindrical surface of second, the equal fixedly connected with bevel rack in surface of first lantern ring and the second lantern ring, first lantern ring and second lantern ring cup joint respectively in the first cylinder and the cylindrical outside of second, consequently when certain bevel rack damages, it only needs to pull down first lantern ring or second lantern ring and changes, need not to change whole conveying element, thereby reach the effect of saving the accessory.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is an exploded view of the structure of the conveying element of the present invention;

FIG. 3 is a perspective view of the column structure of the present invention;

fig. 4 is a schematic perspective view of the first collar structure of the present invention;

fig. 5 is a schematic perspective view of the main screw structure of the present invention.

In the figure: 1. a main screw; 2. a conveying element; 3. fixing the disc; 4. a first cylinder; 41. a first tooth slot; 5. a second cylinder; 51. a second tooth slot; 6. a first collar; 7. a second collar; 8. an inner rack; 9. a helical rack; 10. a first screw hole; 11. an annular pad; 12. conveying screw threads; 13. a second screw hole; 14. a connector; 15. flat cutting; 16. and (7) positioning the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-5, the present invention provides a technical solution:

example 1:

a splice assembly, comprising: a conveying element 2, a first collar 6 and a second collar 7.

Specifically, the conveying element 2 is located in the middle of the main screw rod 1, the outer diameter of the conveying element 2 is smaller than that of the main screw rod 1, the conveying element 2 comprises a cylinder, the cylinder is composed of a fixed disc 3, a first cylinder 4 and a second cylinder 5, the diameters of the fixed disc 3 are sequentially reduced, two side faces of the fixed disc 3 are fixedly connected with the first cylinder 4, the end portion of the first cylinder 4 is fixedly connected with the second cylinder 5, and a first tooth groove 41 and a second cylinder 5 are formed in the outer side wall of the first cylinder 4 and the outer side wall of the second cylinder 5 respectively;

secondly, first lantern ring 6 activity cup joints the outside at first cylinder 4, and the terminal surface of first lantern ring 6 and the side laminating of fixed disk 3, second lantern ring 7 activity cup joints the outside at first cylinder 4, and the terminal surface of second lantern ring 7 and the terminal surface laminating of first lantern ring 6, and the both sides face of first lantern ring 6 and the both sides face of second lantern ring 7 all are provided with sealed the pad, in order to improve the leakproofness when first lantern ring 6 and the laminating of second lantern ring 7, the equal fixedly connected with rack chute 9 of the lateral wall of first lantern ring 6 and the lateral wall of second lantern ring 7, therefore when carrying component 2 whole rotation, rack chute 9 can carry the material, nevertheless because rack chute 9's external diameter is less, consequently, leave the gap between the inner wall of carrying component 2 and material jar, thereby ensure that the material can not blocked when carrying, and then avoid this device whole to damage because of torsion is too big.

Further, rack 8 in the inside wall of first lantern ring 6 and the equal fixedly connected with of inside wall of second lantern ring 7, the internal rack 8 that is located the inside wall of first lantern ring 6 meshes with first tooth's socket 41, the internal rack 8 that is located the inside wall of second lantern ring 7 meshes with second tooth's socket 51, first lantern ring 6 and second lantern ring 7 can be followed the outside of cylinder and pull down and change, and the setting of interior rack 8 has ensured that first lantern ring 6 and second lantern ring 7 can not take place relative rotation with the cylinder after the installation.

Example 2:

on the basis of embodiment 1, in order to improve the stability of the first collar 6 and the second collar 7 after installation, the present application further has that the first tooth grooves 41 and the second tooth grooves 51 are both provided with a plurality of, and the plurality of first tooth grooves 41 and the plurality of second tooth grooves 51 are respectively distributed in an annular array on the outer side wall of the first cylinder 4 and the outer side wall of the second cylinder 5, the inner rack 8 and the helical rack 9 are both provided with a plurality of, and the plurality of inner racks 8 and the plurality of helical rack 9 are both distributed in an annular array, the plurality of inner racks 8, the plurality of first tooth grooves 41 and the plurality of second tooth grooves 51 are provided, so that the first collar 6 and the second collar 7 can be ensured to transmit the received torsion force to the cylinders uniformly when rotating, and the stability of the first collar 6 and the second collar 7 after installation can be improved.

Example 3:

on the basis of embodiment 2, in order to connect the main screw rod 1 with external driving equipment, the present application further has a first screw hole 10 opened on the end surface of the second cylinder 5, the end surface of the second cylinder 5 is attached with the annular pad 11, a second screw hole 13 opened on one end surface of the main screw rod 1 close to the conveying element 2, a screw rod fixedly connected through the middle part of the annular pad 11, two ends of the screw rod are respectively inserted into the inner cavity of the first screw hole 10 and the inner cavity of the second screw hole 13 in a threaded manner, so that the main screw rod 1 and the conveying element 2 can be fixedly connected through a stud on the annular pad 11, in addition, a conveying thread 12 is arranged on the outer side wall of the main screw rod 1, when the main screw rod 1 rotates, the conveying thread 12 is used for conveying materials, a connector 14 is fixedly connected to one end surface of the main screw rod 1 far from the conveying element 2, a flat notch 15 is opened on the surface of the connector 14, a positioning hole 16 is opened through the middle part of the connector 14, and the connector 14 is used for connecting the main screw rod 1 with external driving equipment.

A screw element comprises the splicing assembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A splice assembly, comprising: the method comprises the following steps:

the conveying element (2) is positioned in the middle of the main screw (1), the conveying element (2) comprises a cylinder, the cylinder is composed of a fixed disc (3), a first cylinder (4) and a second cylinder (5), the diameters of the fixed disc (3) are sequentially reduced, two side faces of the fixed disc (3) are fixedly connected with the first cylinder (4), the end part of the first cylinder (4) is fixedly connected with the second cylinder (5), and a first tooth groove (41) and a second cylinder (5) are respectively formed in the outer side wall of the first cylinder (4) and the outer side wall of the second cylinder (5); and

first lantern ring (6) and second lantern ring (7), the outside at first cylinder (4) is cup jointed in first lantern ring (6) activity, just the terminal surface of first lantern ring (6) and the side laminating of fixed disk (3), the outside at first cylinder (4) is cup jointed in second lantern ring (7) activity, just the terminal surface of second lantern ring (7) and the terminal surface laminating of first lantern ring (6), the equal fixedly connected with helical rack (9) of lateral wall of first lantern ring (6) and the lateral wall of second lantern ring (7), rack (8) in the equal fixedly connected with of the inside wall of first lantern ring (6) and the inside wall of second lantern ring (7), internal tooth bar (8) that are located first lantern ring (6) inside wall mesh with first tooth's socket (41), internal tooth bar (8) that are located the inside wall of second lantern ring (7) mesh with second tooth's socket (51).

2. The splice assembly of claim 1, wherein: the first tooth groove (41) and the second tooth groove (51) are both provided with a plurality of tooth grooves, and the first tooth groove (41) and the second tooth grooves (51) are distributed on the outer side wall of the first cylinder (4) and the outer side wall of the second cylinder (5) in an annular array mode.

3. A splice assembly as claimed in claim 2, wherein: the inner racks (8) and the oblique racks (9) are arranged in a plurality of numbers, and the inner racks (8) and the oblique racks (9) are distributed in an annular array.

4. A splice assembly as claimed in claim 3, wherein: first screw hole (10) have been seted up to the terminal surface of second cylinder (5), the terminal surface laminating of second cylinder (5) has annular pad (11).

5. The splice assembly of claim 4, wherein: a second screw hole (13) is formed in one end face, close to the conveying element (2), of the main screw rod (1), a screw rod is fixedly connected to the middle of the annular pad (11) in a penetrating mode, and the two ends of the screw rod are respectively connected to the inner cavity of the first screw hole (10) and the inner cavity of the second screw hole (13) in a threaded mode in an inserting mode.

6. The splice assembly of claim 5, wherein: the lateral wall of king-screw (1) is provided with carries screw thread (12), a terminal surface fixedly connected with connector (14) of carrying component (2) is kept away from in king-screw (1), flat notch (15) have been seted up on the surface of connector (14), locating hole (16) have been seted up in the middle part of connector (14) through.

7. A screw element, characterized by: comprising the splice assembly of any of claims 1-6.